Tag Archives: ball chain

China Custom metal Stainless Steel Bead Ball Chain Connector Clasp Gold plating Metal Connector clips for DIY Jewelry supplier

Design Number: YSH6447
Jewellery Conclusions Sort: Clasps & Hooks
Content: Stainless metal
Coloration: metal,gold,other shades
Shipping and delivery time: About 7-ten days
Use: Necklace,bracelet and so forth.
Key word: clasps
Payment: T/T,visa/western union and many others
Packing: Opp Bag
Transport: UPS DHL EMS Fedex TNT
Brand: recognized
MOQ: five hundred
Packaging Information: Opp bag,or accord to customers’ necessity

This item is classy with first class quality,sleek colour.
* Shade: available in several hues, gold,silver, Manufacturing unit tailored carton metal stainless steel plastic idler sprocket totally free sprocket wheel antique,rhodium,or make colour as your sample.* Robust and modern.* Use: jewellery,bag,sneakers,and decoration.
Products Description Merchandise nameChains And Accessories Metallic Clasp For Ball Chain Connector

MOQ500pcs
BrandVekeklee
Delivery7-10 times following the get verified
PaymentT/T,Western Union, Spend later on, MoneyGram,Alibaba’s Trade Assurance,etc.
Materialstainless steel
sample time 1-3days
Shipping 1. Buyer Freight Gather Account2. Specific: DHL,Fedex,UPS,TNT, Spline Shaft EMS China post air mai,E-packet and so on.3. By Sea/By Air
Type lobster clasps
FOBHangZhou/HangZhou/HangZhou/ZheJiang /hk
Many thanks sending inquiryClick to contact us,we can send e-catalogue,sample card. CustomOEM &ODM are recognized Buyer symbol are acceptedLaser symbol and print emblem on opp bagare available Buyer Evaluation OPP BagBig opp bag or single opp bag packing With bubble 5 or 7 levels box ,can include substantial weight. Cleanse boxcan adhere client ‘s symbol /patter/Amazon label FAQ Q:What is the get procedure?A: Purchase on-line: Select the product in our store, and summit the get. we will prepare products and comprehensive the shipping and delivery specifics,ship tracking variety. the order page. Order with sales: Sales will supply you the catalogs for you to choose. Provide us the product quantity and amount for us to make bill for you to confirm. Payment manufactured, concern buy for you.Q: How can I locate the genuine photograph of the item?D: If you need to have, our sales staff will take photos of different angles or display u movieQ:Can I location a little get?A:Sure,moq frequently 5 pcs,10 pcs ,, 2571 Hot Offering NEW QUAD Bike FARM USE 125CC150CC 4 WHEEL Travel ATV FOR Adults and also can draft sample purchase 1 piece.Q: Warranty?D: About 1 thirty day period following-sale service, existence time assistance in techniqueQ: How extended to put together an order?A: We have massive inventory, prepared to ship, then can prepare inside of 3 working day. if no stock, and you want, remember to make contact with our revenue consultant to additional talk about.Q: How prolonged I would get the merchandise?A: Usually we ship by DHL/UPS/TNT/FEDEX/EMS and so on., you can get the goods 7days. If you choose other shipping technique, remember to get in touch with us.Q: How to spend?A: You can shell out by means of trade assurance on the internet, Visa, T/T, Western Union, Cash Gram ,alipay and so forth .Q: Can I have our very own style?A: Sure, manufacturing unit with fourteen years abundant expertise in OEM&ODM! 4.3m lengthy large power Carbon fiber Travel Shaft carbon fiber transmission shaft Propeller Shaft our designer will according to your image or ideas to producing CAD drawing. Following verified,then make production.Q: What must I do if goods arrive broken?A: Our QC will check out all excellent when they ship. Remember to take picture to us for affirm if items are wrecked..And new 1 will be despatched to you in your new buy.Or we refund you.

chain

buy drive chain

Buying a drive chain requires a certain understading of its characteristics. This article discusses the different types of chains available, including Silent, Flat-top, and Duplex. By the end of this article, you should have a basic understanding of what each type of chain is for. First, here are some basic rules to keep in mind when shopping for a chain. To find the drive chain that best suits your needs, read on.

roller chain

Choosing the right roller chain for your drive chain depends on several factors. First, you have to determine the motor horsepower and rpm for the small drive sprocket. These values ​​determine the size of the chain and the number of teeth on the drive sprocket. Next, you need to determine the size of the conveyor chain, it can be the horizontal, vertical, or curved radius. Depending on your specific needs, you can also choose between two-strand or three-strand chains.
The roller chain of the drive chain must be properly tensioned. It should also have a proper lubrication system. Chain sag should not exceed two to four percent of the center distance (the distance between the two axles). Also, it shouldn’t make any unusual noises or obvious problems. One of the main reasons for excessive wear is the size of the load. Each chain has a specified maximum working load.
The maximum roller chain load must be less than 1/9 or 6 times the tensile strength of the drive chain. This amount should not exceed this threshold, as exceeding this level will result in chain plate fatigue. To avoid this, you should use a roller chain with a higher number of strands. Also, for high power requirements, a roller chain with a higher number of strands is recommended. One final tip for choosing a drive chain: it should not be used when there is a high risk of corrosion or rusting.
The materials used to manufacture roller chains vary according to the specific application. Common materials include steel and stainless steel. However, stainless steel is used in food processing machinery and other environments that require lubrication. Brass and nylon are also sometimes used. These factors determine the selection of suitable materials for the drive chain. If you are not sure which material to use, you can consult an industry professional. These professionals will help you choose the right chain for the job at hand.

mute chain

The design of the silent transmission chain is as follows: the large chain plates 2 are stacked one on top of the other in the direction of the chain length. The connecting rods are connected by connecting pins 3. The outermost and central guide plates 4 are fastened to the connecting pins 3 by means of rivets. This construction helps minimize friction on the sliding surfaces of the chain. Chainplate 2 of the silent transmission chain is usually made of stainless steel.
The link plates are made of steel and have a rectangular shape with pinholes 41. These guide plates have no teeth but have curved surfaces that guide the silent drive chain on the sprockets. In addition, the rear portion of the guide plate is higher than the portion of the chainplate. This feature improves pitch balance. The present invention is also applicable to silent transmission chains using rockers.
When it comes to chain design, it’s important to remember that silent drive chains are often used in automotive engines, especially timing and cam drives. This type of drive reduces noise and vibration due to its low engagement angle and links engagement with the sprocket. However, these applications are not limited to timing and cam drives; they can also be used for front-wheel power transmission. For example, silent drive chains are designed to resemble those used in NASCAR racing engines.
The design of the silent drive chain is based on the structure of the roller chain. Its components are standardized and manufactured according to pitch. There are single-row and multi-row versions. Quiet chains, also known as inverted tooth chains, are shaped to reduce noise from stretching. It’s also designed to minimize the amount of friction caused by small changes in pitch. Its teeth don’t slide against each other, so the chain is smoother and more durable.

flat top chain

One of the important parts of the flat top chainplate system is the hinge pin, which is used to fix the chainplate and is responsible for the smooth and efficient conveying of the chainplate. There are several types of hinge pins, including single hinge pins and double hinge pins. The single hinge pin is suitable for the chainplate with a small span and small bearing capacity, and the double hinge pin is suitable for the chainplate with a large span and high bearing capacity.
The side bending flat top chain is suitable for conveying large and medium workpiece pallets. They can be made of steel or plastic, each with its own advantages. Both chainplates are designed to convey material smoothly. Side curved flat-top chains can be used on straight conveyors. They have a low coefficient of friction and can transport weights up to 1.2 kg/cm. They can also be combined with HD profiles.
Flat top drive chains are usually made of plastic material and come in two types: tabletop chains and buffer chains. They come in a variety of widths, but the most popular are standard widths, ranging from 3.25 inches to 12 inches. MatTop chains are usually shipped in 10-foot lengths. They come in different styles, but they all have the same basic specs. Tabletop chains are designed for general conveying, while pad chains are used for specific applications. Solid top chains are suitable for conveying bulk materials, while wide pad chains can handle large volumes of fluids and/or solid-solid mixtures.
These chain conveyors can be used to convey, connect or lift small items. This type of chain is especially useful in industries where the product is hot or greasy. The modular design of these chains allows them to be configured in three dimensions, making them suitable for production changes and transitions. They also help reduce slack in the chain. Flat top chains are commonly used in final assembly and mechanical or paint restoration in the automotive industry.

double chain

Besides the roller chain, another type of chain drive is the double drive chain. This type of chain consists of a series of short cylindrical rollers connected together by side links and driven by gears called sprockets. This type of chain is very reliable and only requires a tractor with a high rpm PTO. It is manufactured by CZPT and is available in many different sizes and finishes.

Self-lubricating chain

Self-lubricating drive chains are the ideal solution for applications that do not require the relubrication of conventional chains. This maintenance-free roller chain features fully heat-treated components that increase the chain’s fatigue resistance and strength. It’s sintered alloy bushings are oil-impregnated, reducing the chance of premature wear and elongation. Its self-lubricating properties enhance its durability and work well even in hard-to-reach places.
CZPT self-lubricating roller chains feature preloaded sintered steel bearing pins and oil-impregnated sintered bushings. These chains are drop-in replacements for standard roller chains and run on the same sprockets as standard chains. In addition to being maintenance-free, self-lubricating roller chains are compatible with most existing sprockets and are ideal for demanding applications.
The O-ring chain concept was used to develop self-lubricating systems. It has two or more annular grease storage chambers. A self-lubricating bushing roller chain has an oil reservoir between its pin chain and the roller chainplate. A grease seal between these two plates isolates the moving parts and keeps the joints well lubricated. O-rings are made of special nitrile rubber, whose properties vary by application.
CZPT SLR conveyor chains and CZPT SLR drive chains have rollers on sintered bushings. CZPT SLR chains and SLR conveyor chains are self-lubricating and have a higher working load than standard ANSI chains. They may not be interchangeable with other self-lubricating chains from other manufacturers. Self-lubricating drive chains are the best solution for demanding industrial applications requiring heavy-duty, reliable conveying.

China Custom metal Stainless Steel Bead Ball Chain Connector Clasp Gold plating Metal Connector clips for DIY Jewelry     supplier China Custom metal Stainless Steel Bead Ball Chain Connector Clasp Gold plating Metal Connector clips for DIY Jewelry     supplier
editor by Cx 2023-06-28

China Custom metal Stainless Steel Bead Ball Chain Connector Clasp Gold plating Metal Connector clips for DIY Jewelry bush chain vs roller chain

Product Amount: YSH6447
Jewellery Conclusions Sort: Clasps & Hooks
Material: Stainless metal
Shade: metal,gold,other shades
Delivery time: About 7-ten days
Utilization: Necklace,bracelet and so forth.
Key word: clasps
Payment: T/T,visa/western union and so forth
Packing: Opp Bag
Shipping: UPS DHL EMS Fedex TNT
Symbol: acknowledged
MOQ: five hundred
Packaging Specifics: Opp bag,or accord to customers’ need

This item is sophisticated with first course quality,swish coloration.
* Colour: available in many colors, gold,silver, Manufacturing unit custom-made carton metal stainless steel plastic idler sprocket cost-free sprocket wheel antique,rhodium,or make shade as your sample.* Strong and fashionable.* Use: jewellery,bag,sneakers,and decoration.
Items Description Solution nameChains And Equipment Metal Clasp For Ball Chain Connector

MOQ500pcs
BrandVekeklee
Delivery7-ten times after the buy confirmed
PaymentT/T,Western Union, Pay out later on, MoneyGram,Alibaba’s Trade Assurance,and so on.
Materialstainless steel
sample time 1-3days
Shipping 1. Buyer Freight Accumulate Account2. Categorical: DHL,Fedex,UPS,TNT, Spline Shaft EMS China submit air mai,E-packet and many others.3. By Sea/By Air
Type lobster clasps
FOBHangZhou/HangZhou/HangZhou/ZheJiang /hk
Thanks sending inquiryClick to get in touch with us,we can send e-catalogue,sample card. CustomOEM &ODM are approved Buyer emblem are acceptedLaser brand and print symbol on opp bagare offered Consumer Analysis OPP BagBig opp bag or solitary opp bag packing With bubble 5 or 7 levels box ,can include higher excess weight. Cleanse boxcan stick consumer ‘s brand /patter/Amazon label FAQ Q:What’s the get procedure?A: Get on-line: Choose the model in our shop, and summit the order. we will prepare products and full the delivery specifics,send out monitoring number. the buy page. Purchase with product sales: Revenue will give you the catalogs for you to pick. Give us the item amount and quantity for us to make invoice for you to affirm. Payment made, concern purchase for you.Q: How can I find the true picture of the merchandise?D: If you need to have, our product sales personnel will take pictures of various angles or show u video clipQ:Can I area a modest order?A:Confident,moq frequently 5 pcs,ten pcs ,, 2571 Hot Offering NEW QUAD Bicycle FARM USE 125CC150CC 4 WHEEL Travel ATV FOR Adults and also can draft sample buy 1 piece.Q: Warranty?D: About 1 month after-sale service, lifestyle time support in methodQ: How extended to prepare an get?A: We have massive inventory, completely ready to ship, then can put together inside of 3 working day. if no inventory, and you want, remember to get in touch with our sales consultant to more discuss.Q: How lengthy I would get the merchandise?A: Normally we ship by DHL/UPS/TNT/FEDEX/EMS etc., you can get the products 7days. If you decide on other shipping and delivery strategy, you should make contact with us.Q: How to shell out?A: You can shell out via trade assurance online, Visa, T/T, Western Union, Money Gram ,alipay and so forth .Q: Can I have our possess style?A: Confident, manufacturing facility with 14 several years rich expertise in OEM&ODM! 4.3m lengthy higher power Carbon fiber Drive Shaft carbon fiber transmission shaft Propeller Shaft our designer will in accordance to your picture or concepts to producing CAD drawing. Soon after confirmed,then make generation.Q: What should I do if products arrive destroyed?A: Our QC will check all excellent when they ship. Make sure you consider photo to us for affirm if items are ruined..And new 1 will be sent to you in your new get.Or we refund you.

chain

What is a drive chain?

A drive chain is a wheeled device that transmits power from one gear to another. The drive chain is usually an oval ring around a corner or worm gear. On the other hand, idler pulleys do not transmit power and are not used to move the chain. In some cases, drive chains can be used with idler pulleys to transport objects. This allows the drive chain to recover some power from the second gear.

conveyor chain

There are many types of conveyor chains to choose from. One type is a closed joint chain. It consists of the barrel and connecting rod, made from a single casting and heat-treated for high strength and durability. Conveyor chains typically have low running speeds and are typically made of malleable iron. Another type of chain is the power transmission chain, which is used to transmit mechanical power. They feature efficient lubrication and are stronger than conventional conveyor chains.
Roller chain pitches can range from half an inch to a third of an inch. They are available in steel and nickel-plated steel. They can be used with inline or staggered rollers and can be designed with different pitch levels. They can also have bushings between the chainplates or gaps between the teeth to increase their maximum spacing. When choosing a conveyor chain, remember to properly lubricate bearing surfaces to minimize power absorption, wear, and corrosion. Mineral oils of medium viscosity are suitable for normal operating temperatures. SAE 20W50 is suitable. Manufacturers also offer self-lubricating chains.
Conveyor chains are used in many industries. The automotive industry has traditionally used these chains for bulk transport. Their reliability and low cost make them an excellent choice for a variety of applications. CZPT Chains offers stainless steel and CZPT conveyor chains to meet your unique requirements. If you’re in the market for a new conveyor, don’t forget to shop around. CZPT Chain can help you find the perfect one.
The regular drive version consists of an ASME/ANSI roller chain wrapped around a driven sprocket. It can also be configured for variable rpm. The gear ratio between the two parts determines the reduction or increase in speed. In some cases, solution chains can be used. Roller chains are more efficient. Then, there are solutions for both cases. There are many types of conveyor chains to choose from.
Conveyor chain pitch also plays an important role in performance. The smaller the pitch of the chain, the faster it spins. On the other hand, a smaller pitch will require more teeth on the sprocket, which means more links will be engaged during the movement. This smaller articulation angle also produces smoother motion. It also reduces vibration. Therefore, CZPT Chains can be trusted for a long time.

roller chain

The performance of a drive chain depends on how well it is maintained and lubricated. Careful attention to detail is required when selecting a roller chain, which is one of the most important components in a drive chain. Its proper lubrication and assembly will significantly affect its wear life. Here are some important tips to follow when buying a roller chain:
The size of the drive chain should be selected according to the sprockets used. The large sprocket should have at least 25 teeth, and the small sprocket should have fewer teeth. The pitch of a drive chain is the contact angle between the chain and the sprocket. The smaller the sprocket, the smaller the contact angle of the two parts. Larger sprockets are better, but smaller sprockets must never have fewer teeth.
When purchasing a roller chain, be sure to consider the maximum speed of the small sprocket. This will determine how much lubrication you need. Different lubrication systems have different requirements. Manual lubrication limits how many feet per minute the drive chain can run, while oil bath lubrication can get you up to 1100 ft/min. The only way to maximize drive chain speed is to purchase a pump lubrication system.
Once you have the right length, you can determine if you need a new one. To do this you have to move the axis to measure the length. Once the length is determined, the drive chain should be removed from the sprocket and measured using the ANSI specified measuring load. You should also follow safety guidelines when measuring your chain. If you want to maximize the life of your drive chain, be sure to follow these tips.
Another important consideration is the type of environment you operate in. For applications that need to avoid rubbing steel rails, it is best to use a roller chain that can withstand a clean indoor environment. Although roller chains are generally more durable, they must be stored properly to avoid corrosion. If you care about the environment, consider opting for double chain. Its durability and low maintenance costs will make it a valuable investment in your business.

closed pivot

Closed-end pivot drive chains are used in a variety of applications. They are known for their durability, high strength, and long life. They are available in a variety of grades, including grade 400, grade 600, and grade 800 pivots, which can withstand the high forces required for certain applications. Enclosed pivot chains can be used to lift, pull, convey and transfer heavy loads.
Class 400 closed-end pivot chain features one-piece cast offset link construction. Steel pins connect each link and are prevented from rotating by head stops. This design allows the pin to connect inside the barrel without breaking. This type of chain is the most commonly used and has the highest durability. In addition to being extremely durable, it offers long-lasting performance and smooth operation.
Another closed-end pivot conveyor chain drive is called a power drive chain. These chains consist of barrels and links used to transmit rotation from one shaft to another. The barrels of the closed-end pivot chains are made of steel, which allows them to run easily on the sprockets. Block drive chains are used for low-speed applications, but they can be noisy when the chain is in contact with the sprockets.
The enclosed pivot drive chain has rollers on both ends to minimize wear. These chains are usually made of steel and can be used in areas where high-speed power transmission is required. They are also available in heavy-duty versions. Unlike other types of chains, steel pivot chains are designed for a variety of applications. They are suitable for heavy-duty applications and their open barrel design allows for minimal contact with the pins in the barrel and the root of the sprocket.
chain

Linear chain

CZPT is an important part of linear drive technology. This type of chain is capable of delivering real power in tight spaces. Typically, loads are moved by pulling or pushing. CZPT can perform both types of movements. They can push and pull additional loads. This type of chain can also be wound and stored in the magazine. It is a popular choice for small machine tools and many other uses.
Unlike traditional mechanical chains, CZPT uses a push-pull strategy to move heavy objects. It is a rigid locking design that prevents kinking and allows the chain to transmit force without bending. The CZPT is an excellent choice for moving large loads and is particularly versatile in power transmission. However, CZPT is more expensive than traditional drive chain options.
The service life of a linear chain depends on its design, material type and size. You may want to buy a good quality chain, but it’s not necessary in all cases. While superior quality can extend the life of the chain, it may not be necessary for low-speed drives or very light shock loads. If you’re not dealing with high-velocity shock loads, you probably don’t need features like oil reservoirs or bushing grooves.
The size of the drive sprocket can have a major impact on the overall life of the linear chain. It determines how fast the chain can go and how much horsepower it can produce. An 11-tooth chain will hit about half its rated speed, but only about 30 percent of its rated horsepower. You can extend the life of your linear chain by choosing a drive sprocket with a higher number of teeth. It is best to choose a drive sprocket with a high number of teeth, but make sure the number of teeth is even. This will ensure that your chain wear is evenly distributed.

China Custom metal Stainless Steel Bead Ball Chain Connector Clasp Gold plating Metal Connector clips for DIY Jewelry     bush chain vs roller chainChina Custom metal Stainless Steel Bead Ball Chain Connector Clasp Gold plating Metal Connector clips for DIY Jewelry     bush chain vs roller chain
editor by Cx 2023-06-27

China Black Spinel Beads Gemstone Non Tarnish No Fade Rosary Beads Black Crystal Handmade Stainless Steel jewelry Ball Chain roller chain attachment links

Design Quantity: ysh6095
Jewelry Results Type: Chains
Item identify: Diy Jewellery Conclusions Stainless Metal Chains
Content: Stainless metal,crystal
Coloration: black
Delivery time: About 5-7 times
Design: fashion
MOQ: 50meters
Symbol: Settle for Customer’s Logo
Sample time: 3days
Packing: Opp Bag
Transport: UPS DHL EMS Fedex TNT
Packaging Details: Nk Chain Hip-hop Men’s Titanium Steel Necklace 304 Stainless Steel Ornament Cuban Chain NecklaceOpp bag

MOQ50meters
BrandVekeklee
Delivery5-7 days following the buy confirmed
PaymentT/T,Western Union, Pay later on, Joyebikes CZPT Mid motor kits MM g510 CZPT M620 CZPT extremely 1000w kits MoneyGram,Alibaba’s Trade Assurance,etc.
MaterialStainless metal, fifteen mm Hip Hop Iced Out Bling Two Hues Silver and Black Strip Miami Bracelet Males CZ CZPT Cuban Hyperlink Chain Bracelet crystal
Sizeas image
Shipping 1. Client Freight Collect Account2. Categorical: DHL,Fedex,UPS,TNT, Custom Plastic Products Manufacturing facility Price Tiny Precision Plastic Molding Enclosure Stomach muscles PP PA6 Injection Molded Areas EMS China submit air mai,E-packet and so forth.3. By Sea/By Air
Type chain necklace
FOBHangZhou/HangZhou/HangZhou/ZheJiang /hk

Roller Chain Basics

Before choosing the right roller chain for your machine, it is necessary to learn some basics. Learn about sprockets, tensile strength, pitch, and width. Read this article to learn more. It will help you make an informed decision. Getting the right product is critical, but it’s not always as simple as choosing a brand name. You need to choose a company that supports its products and provides good service.
chain

Roller sprocket

If you are planning to purchase roller sprockets for your application, you should first look at the various types available. Sprockets available for single-strand roller chains are manufactured by Boston Steel – Type B sprockets are drilled to size. They are available in 1/4, 3/8, 1/2, 5/8, 3/4 and 1″ pitch sizes.
The diameter of the sprocket is important when choosing the right sprocket for your application. Using a caliper to measure the diameter of a toothless plate is a good way to determine the exact size of the sprocket. A caliper is the diameter of a plate without teeth. On Type B and C sprockets, the hub diameter measures the thickness of the hub.
Another type of sprocket is the steel split sprocket, which is split in diameter. This type is easy to install and remove, and is held together by bolts in the hub. Typically, split sprockets have chain pitches ranging from 40 to 240 and bores ranging from 3/4″ to 6″. The split sprockets are designed with one pointing towards the ceiling and the other two parallel to the floor.
When shopping for sprockets, it is important to remember that they are designed specifically for a specific chain. All chains are manufactured to specific standards. In the United States, the most common standard is ANSI. The chain pitch is the distance between the center of each pin and the center of the next pin. In the US, the standard is always measured in eight-inch intervals.
In addition to sprocket size, sprocket pitch and the surface area also affect chain life. Unlike belt sprockets, which are made of forged steel, the teeth on roller sprockets are stamped from steel sheet or pressed from powdered metal. The harder the teeth, the longer the chain will last.

Roller chain pitch

The pitch of a roller chain is the distance between the sprocket and the pin. The smaller the thread pitch, the smaller the bushing wear. Generally speaking, the smaller the pitch, the longer the life of the chain. For best performance and longest life, manufacturers recommend a minimum chain pitch of 2% to 3%. Chain pitch is important to ensure proper performance, and the manufacturer recommends that you replace the chain when it reaches 2% to 3% of normal.
To determine the correct chain pitch for a particular chain, first determine the sprocket size and pitch. Pitch is the distance between pin centers, measured in 1/8 inch increments. The pin diameter of the chain is also important. If you’re not sure about the pin diameter of your chain, measure a few links to get a good average reading. Alternatively, use a caliper to measure the inside diameter of the sprocket and count the number of teeth.
When sizing a sprocket, measure the chain between the gears with a caliper and compare it to the measurements on the chain size chart. Make sure you have checked all the specs and checked the correct chain pitch. Then, choose the correct chain pitch for your needs. This is a critical step in choosing the right chain. So get the correct pitch for your roller chain. Correct pitch helps ensure maximum performance and safety.
To identify a specific type of roller chain, measure its tensile strength. This represents the amount of load the chain can withstand before breaking. Another key parameter to consider is fatigue strength. Chains with high fatigue strength are more resistant to rust and wear than chains with low fatigue strength. The numbers on the right in the standard numbering represent normal or light duty chains, while the numbers on the left represent the pitch of heavy-duty chains.
Double pitch roller chains are a variant of single pitch chains. They are manufactured according to ISO 606 and meet the same standards as single pitch chains. They are mainly used in applications with lower requirements for speed and power transmission. The plates of double pitch roller chains are also longer than single pitch chains. The double pitch drive series is also used for elevator and long conveyor drives. There are three main types of roller chains: single-pitch chains, double-pitch carriers, and oversized rollers.

Roller chain width

When buying a roller chain, one of the first decisions you must make is its width. To make this determination, you need to measure the overall width of the chain, the diameter, and the width of each roller. You must also know the height and thickness of the board. After taking these measurements, you can start shopping for the perfect roller chain. But before you buy a new chain, it’s important to know what to expect from the chain itself.
There are many different types of roller chains. These chains are available for ANSI and metric measurements. They come in single-stranded and double-stranded variants. They are usually used for power transmission. Other types include agricultural, automotive, conveyor, multi-strand, and four-strand chains. These charts also include a chart so you can easily see the exact size you need. Listed below are some of the benefits of buying a roller chain.
Roller diameter and pin diameter are important factors in choosing the correct chain width. The width of the chain is the nearest binary fraction of 5/8 of an inch. It should be at least half the thickness of the sprocket, and the plate thickness is one-eighth the width of the chain. Overweight chains are indicated with the suffix H. The pitch and width of the chain are determined by the working load and machine speed.
The outer links of the roller chain are called pin links. These pins are inserted into the bushings of the adjacent roller links. They are held in place by cotter pins. Pin links are usually pressed into the pins of heavy-duty chains. These pins are used to hold the rollers in place. However, these pin chains can reduce the power rating of roller chains by up to 20%.
The ANSI 29.1 Steel Chain Specification specifies a minimum pitch in inches and ultimate strength of 12,500 x pitch in inches. At the same time, the O-ring chain greatly reduces wear due to its lubricating effect. O-ring and X-ring chains contain a lubricant injected by vacuum when riveting the chain together. Transmission chains are tested and governed by standards bodies such as ANSI. In 2011, the American Society of Mechanical Engineers developed a standard for precision power transmission chains.
chain

Roller chain tensile strength

One of the most important indicators of roller chain strength is tensile strength. This measurement refers to the amount of load the chain can withstand before breaking. Another measure, called fatigue strength, refers to the maximum load a chain can withstand before it breaks. The strength of a roller chain depends on its size, the quality of the steel used in its construction, and the heat treatment. There are also differences in the types of shot peening used to treat steel, pitch holes, and link plates.
When choosing a roller chain, the workload is critical. This is the maximum load the chain can withstand before fatigue failure occurs. This measurement is critical because it helps determine the type of load applied to the chain. When deciding which roller chain to buy, be sure to consider the mechanical type and desired strength. Then, make sure it meets strength and load-carrying capacity requirements.
The ultimate tensile strength of a roller chain is based on the manufacturer’s recommended maximum tensile strength. However, the actual tensile strength may be higher or lower than this value. The working load limit of a roller chain can also be calculated by multiplying the chain diameter by the grade. The working load limit of a chain is the highest tension it can withstand before breaking. This value is usually expressed in points.
The maximum tensile strength of roller chains varies by chain type. The single-strand heavy chain has thick side plates for higher shock loads. Single strand heavy-duty roller chains, also known as “bushing” roller chains, are also available. Double-stranded heavy chains are structurally similar, but they have two layers of steel connected by pins that are nearly twice as strong as standard roller chains.
The tensile strength of a single-strand roller chain is approximately 500 tons. In comparison, a single-chain blockchain has a tensile strength of 900. The tensile strength of the two is similar, and it is not recommended to choose one or the other. Although steel and titanium chains are considered the strongest materials for roller chains, these materials are not magnetic.

China Black Spinel Beads Gemstone Non Tarnish No Fade Rosary Beads Black Crystal Handmade Stainless Steel jewelry Ball Chain     roller chain attachment linksChina Black Spinel Beads Gemstone Non Tarnish No Fade Rosary Beads Black Crystal Handmade Stainless Steel jewelry Ball Chain     roller chain attachment links
editor by czh2023-02-14

China Customized Size Rustproof High Quality Eco-Friendly Pre-Cut 2.4mm Stainless Steel Ball Chain for Dogtag as Gift agricultural roller chain

Product Description

Merchandise identify metal chain
substance steel
bundle 100meter/roll
colour can be customized
port HangZhou/ZheJiang

FAQ:

one. who are we?
We are based in ZHangZhoug, China, start from 2014,sell to Western Europe(thirty.00%),Southeast Asia(twenty.00%),North America(twenty.00%),Mid East(twenty.00%),Eastern Europe(5.00%),South America(5.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production
Always final Inspection before shipment

three.what can you buy from us?
ball chain,dog tag,safety pins,book ring,carabiner

4. why should you buy from us not from other suppliers?
1. Founded in 2008, focus on the manufacture and export of Plastic and Hardware products 2. Primary market: Europe, USA and Southeast Asia. 3. Good customer feedback, more than 50% reorder rate per year 4. Provide free samples before order

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery
Accepted Payment Currency:USD,CNY
Accepted Payment Type: T/T,L/C,D/P D/A,PayPal,Western Union,Cash
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
 

US $0.077
/ Meter
|
10,000 Meters

(Min. Order)

###

Usage: Ornament Chain
Material: Iron
Surface Treatment: Electroplating
Feature: Plating
Chain Size: Dia2.4mm
Structure: Roller Chain

###

Samples:
US$ 1/Meter
1 Meter(Min.Order)

|
Request Sample

###

Customization:

###

Item name metal chain
material steel
package 100meter/roll
color can be customized
port ningbo/shanghai
US $0.077
/ Meter
|
10,000 Meters

(Min. Order)

###

Usage: Ornament Chain
Material: Iron
Surface Treatment: Electroplating
Feature: Plating
Chain Size: Dia2.4mm
Structure: Roller Chain

###

Samples:
US$ 1/Meter
1 Meter(Min.Order)

|
Request Sample

###

Customization:

###

Item name metal chain
material steel
package 100meter/roll
color can be customized
port ningbo/shanghai

Advantages and Disadvantages of Drive Chains

Drive chains are widely used for sliding steel guides. While solution chains are often used, roller chains are more efficient in size and weight. Nevertheless, a drive chain is often the best choice for dirty jobs. The following are some of the benefits and disadvantages of drive chains. Learn more! Adapt your vehicle to your specific situation with drive chains. You’ll be glad you did! Read on to learn more! Continue reading for information on different types of drive chains.

Inverted tooth chain

An inverted tooth camshaft drive chain has teeth on its links and two pin rolling pivot joints that engage each other to transmit moderate to high-speed rotations. This type of drive chain is also known as a silent chain drive, which is particularly effective in reducing noise and vibration. The teeth on the links mesh perfectly with the teeth of the gear sprocket. The inverted tooth design also provides smooth communication of chain links with the teeth of the sprocket.
The design of the new model was particularly effective in quelling noise. The “Druid” spring forks enabled the chain to adjust with minimal motion of the axle. It was launched at the 1910 Olympia show and sold more than 500 units. The drive chain was also silent, which reduced the need for sound insulation and attenuation components, which in turn minimized weight. Hence, it became an ideal choice for wind turbines.
The main disadvantages of chain drive include its low speed and limited range. It is expensive to manufacture and requires precise mounting. Maintenance is essential, including lubrication and slack adjustment. Its velocity fluctuates as the chain is stretched. This causes the chain to fail at the worst possible time. The chain drive also has problems associated with slippage. In addition, it can be prone to excessive wear and tear. Fortunately, however, there are newer types of drive chains available, which are more durable and reliable.
chain

Duplex chain

There are three types of duplex drive chains: SC, RP, and Ramsey. Each has their own unique advantages and features. The Rampower duplex series offers twice the power capacity of the standard SC duplex chain. They are often used in new applications. SC duplex chains are the most affordable and are used in less demanding applications. The SC duplex chain has a lower power capacity but lower weight. There is also no guarantee of performance.

Multi-strand roller chain

The Multiple-strand roller chain for drive chain market can be defined on the basis of the factors that drive growth in this industry. The factors that hamper market growth can be understood in order to come up with alternative bends for lucrative opportunities. This report aims to understand the current scenario and the impact of COVID-19 on the industry as a whole. We will also discuss the market drivers and restraints. We will discuss the various types of Multiple-strand roller chains for drive chain and their market sizes in the coming years.
The minimum tensile strength for a roller chain is one sixth or one-ninth the tensile strength of a conventional drive chain. These standards are established to prevent linkplate fatigue, which is the main cause of premature breakdown. A chain made of this material is considered a superior choice for high-performance applications involving a high load-bearing capacity. If you’re using a drive chain, make sure to choose a proper chain based on the type of application. A simple chain with a high load-bearing capacity is also ideal for simple applications.
While it is true that a high-tension, high-speed drive requires a higher power rating than a low-speed chain, roller chains are primarily used in low to mid-speed applications. They are similar to bicycle chains but may have a master link. In motorcycles, chains are heavier and may require a chain tool to remove. These chains are often replaced with toothed belts or a combination of both.

Flat top chain

The flat top drive chain is a versatile conveyor belt that conveys medium and large workpiece pallets. Its arcing capacity makes it suitable for continuous drive combinations involving curve arcs. The flat top chain is also available with PA wear pads on the workpiece pallets. The flat top chain’s steel and plastic glide profiles allow surface loads of up to 1.5 kg/cm. HD profiles are compatible with the flat top chain.
The steel flat top chain is available in several types: 815, 820, and 881 series. These are heat-treated to have high strength and excellent wear resistance. They can also be used with various sprockets, including 820 sprockets. The high-quality steel chain can be used with many industrial applications. However, if you are looking for a durable chain for your industrial application, iwis hardened stainless steel flat top chains are an excellent choice.
TSplus flat top drive chain offers the most flexibility of any conveying media. The drive units can be linked end-to-end to form extended conveyor lines. Side-flexing flat top chains are available to create serpentine, in-line, and carousel conveyors. Drive units are available in standard and heavy-duty models. They are versatile enough to handle a variety of container sizes. If you need a more complex conveyor system, you can choose a heavy-duty drive chain.
Rexnord flat top chains come in two basic styles: MatTop chain and TableTop chain. The TableTop chain is molded in standard widths ranging from 3.25 inches to 12 inches. These are shipped in ten-foot sections, but you can also find 20-foot-wide mattop chains. You can even customize your MatTop chain to meet your exact needs. They are perfect for a variety of conveying applications, from general conveying to wash down applications.
chain

Conveyor chain

Drive chains for conveyors come in a variety of styles. These chains can have varying degrees of pitch. Pitch is governed by wheel tooth strength, the overall chain rigidity, and the type of drive motor. A normal maximum pitch is determined by the width of the link plates and the angle between the mounting angles. You can increase the pitch of your chain by strengthening the bushes between the link plates. Make sure that the gap between the wheel teeth and the bushes is approximately one-fourth inch.
Pitch and tension of the chain are important considerations when choosing a chain. The minimum pitch is determined by the thickness of the tooth on the wheel and the maximum pitch is determined by the rigidity of the link plates. However, this maximum pitch may be exceeded with bushes between the link plates or clearance with the wheel teeth. A good quality chain will have bearing surfaces lubricated to prevent excessive wear and rust. Medium-viscosity mineral oil is suitable for normal operating conditions. SAE 20W-50 is a good choice for this application. Self-lubricating chains are available from many chain manufacturers.
The chain is usually lubricated by dripping oil between the links. This type of lubrication requires regular inspection of the conveyor chain. The amount of oil should be enough to prevent reddish brown discoloration on the chain joints. A lubricating oil should be applied on a daily basis, according to the manufacturer’s specifications. In order to ensure a longer life for your drive chain, make sure that you lubricate it on a regular basis.

China Customized Size Rustproof High Quality Eco-Friendly Pre-Cut 2.4mm Stainless Steel Ball Chain for Dogtag as Gift     agricultural roller chainChina Customized Size Rustproof High Quality Eco-Friendly Pre-Cut 2.4mm Stainless Steel Ball Chain for Dogtag as Gift     agricultural roller chain
editor by czh 2023-01-08

China Hans Directly Sell 2.6mm High Quality Zinc Alloy Ball Chains agricultural roller chain

Item Description

Hans Directly Promote 2.6mm Substantial Good quality Zinc Alloy Ball Chains 
 

Product title: Ornamental Aluminum Chain.
Supplies: Aluminum
Size: Accessible various size / Personalized.
Shades: Gold,Silver,Black / Personalized.
Design: no reduce or with Cut.
Surface area therapy: Plated.
Use: Jewelrys, Purses, Shoes, Garment, Decoration and many others
Packing: ten – 50 Garden/card, Roll.
About Us  
Firm title HangZhou CZPT Industry CO., Ltd.
Address RM8-1 Ming Hui Building, NO.555 North Century Highway, HangZhou China.
Contact Cellular:86~8-7712 5718
Tel 86~/8822 0571 -8797 7201  
Warmly welcome inquiry and buy,We will reply and give offer you correct away soon after you contacted.

Our firm uses ERP management system to supply streamlined solutions for customers, so as to elevate our services top quality. To supply prompt, high high quality and all-about providers is our function basic principle. So each time and nevertheless you speak to us, we are pleased to provide any merchandise details you want as quickly as feasible.

In our company, you can find all varieties of garment accessories and other textiles such as laces, threads, tapes, buttons, zippers, materials and numerous other tailoring components, to satisfy your marketplace wants. With several years’ challenging work, we can now appreciate the exhilaration of success with cherished hopes. Beneath the purpose that Allow HangZhou CZPT enjoy a high status all over the planet, every employees member keeps a close eye on the modifications of market place, and performs respective duties in distinct positions as a unified staff. So it can be believed that HangZhou CZPT will undoubtedly initiate a bright potential with an amazing, cohesive and innovative manufacturer picture.

1.What is your MOQ?
A:We handle company very flexibly. For most of the items in our collection in our personal brand name, no MOQ needed if we have shares. But smaller sized order sales opportunities to a higher price tag.
two. How do you control the high quality?
A:We will complete a 100% quality inspection throughout the manufacturing method, then complete random inspections ahead of packaging and consider photographs and archive them soon after packaging.
3.Can i get any discount ?  
A:We concentrate on good quality, the price tag is primarily based on item top quality, and we will also try out our greatest to satisfy your specifications to demonstrates our companies and abilities.
four. How about your shipping time?
A:Normally, 10-25days right after order confirm. The certain supply time relies upon on the products and the amount of your order.
5.Can you generate according to the samples?
A:Of course, we can produce by your samples.
six.Do you offer samples?  
A:Certain, if we have inventory, we can give samples for cost-free, but you need to shell out for shipping and delivery.
If you have order with us, you will be our VIP buyer, all your samples will be cost-free of cost, we will deliver you sample,documentsetc by our account.
7.Is there cheap transport price to import to our region?  
A:Never fret. we will set up the most suitable transportation strategy for you dependent on your purchase amount.
8.Can you make OEM or ODM provider?
A:Sure, we can accept OEM service. Even so, we also have our very own designer staff and welcome to choose our ODM solution.

Insert: RM8-1 Ming Hui Building, NO.555 North Century Road, HangZhou China.

US $0.074
/ Meter
|
20,000 Meters

(Min. Order)

###

Usage: Promotion Gifts, Bottle Opener, Coin Holder, Photo Frame, Flashlight, Holiday, Watch, Clock, Compass
Metal Type: Zinc Alloy
Style: Cute
Shape: Chain
Suitable for: Universal
Processing: Die-Casting

###

Samples:
US$ 0.001/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product name: Decorative Aluminum Chain.
Materials: Aluminum
Size: Available different size / Customized.
Colors: Gold,Silver,Black / Customized.
Style: no cut or with Cut.
Surface treatment: Plated.
Usage: Jewelrys, Handbags, Shoes, Garment, Decoration etc
Packing: 10 – 50 Yard/card, Roll.
About Us  
Company name Ningbo Hans Industry CO., Ltd.
Address RM8-1 Ming Hui Building, NO.555 North Century Road, Ningbo China.
Contact Mobile:86-137-7712 0298
Tel 86-574-8797 7201  
Warmly welcome inquiry and order,We will reply and provide offer right away after you contacted.
US $0.074
/ Meter
|
20,000 Meters

(Min. Order)

###

Usage: Promotion Gifts, Bottle Opener, Coin Holder, Photo Frame, Flashlight, Holiday, Watch, Clock, Compass
Metal Type: Zinc Alloy
Style: Cute
Shape: Chain
Suitable for: Universal
Processing: Die-Casting

###

Samples:
US$ 0.001/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product name: Decorative Aluminum Chain.
Materials: Aluminum
Size: Available different size / Customized.
Colors: Gold,Silver,Black / Customized.
Style: no cut or with Cut.
Surface treatment: Plated.
Usage: Jewelrys, Handbags, Shoes, Garment, Decoration etc
Packing: 10 – 50 Yard/card, Roll.
About Us  
Company name Ningbo Hans Industry CO., Ltd.
Address RM8-1 Ming Hui Building, NO.555 North Century Road, Ningbo China.
Contact Mobile:86-137-7712 0298
Tel 86-574-8797 7201  
Warmly welcome inquiry and order,We will reply and provide offer right away after you contacted.

What to look for in a roller chain

There are many different factors to consider when purchasing a roller chain. One of the most important factors is tensile strength, which represents the force required to break the chain. Roller chains are available in three different tensile strengths: minimum, average and ultimate. Each strength reflects a different limit to the load the chain can handle. However, these limits are not always equal and you should be aware of the differences between roller chains.

Canonical chain

Most roller chains have standard sizes printed on the side panels. This is usually “40” or “C2080H”, but can also be the letter “B”. If the chain is old, it will need to be cleaned to see its size. You can find the size on the standard roller chain size chart, but not everyone is marked. To determine the size, measure the diameter and pitch of the chain, then compare the results to the chart to see what size you need.
Heavy-duty roller chains are available with heat-treated pins, side plates, and rollers. In addition to being heat treated, they are also factory pre-stretched, which reduces wear on these parts. If properly maintained, they can last for years, reducing the risk of failure or corrosion. Depending on the application, standard roller chains are available in different sizes. It can be purchased separately. There are several options to choose from, depending on the size and strength of the application.
PEER roller chains contain solid rollers to reduce shock loads on the sprocket teeth. Heat treating and preloading all components of the PEER chain helps minimize initial elongation. Hot-dip lubrication ensures complete lubrication of all chain components, extending their life and reducing maintenance costs. For heavy-duty applications, ASME/ANSI-B29.1 chain is a good choice.
Standard roller chains are made of steel or alloy steel. However, it can be made of other materials such as stainless steel. In addition to steel, stainless steel is often used in food processing machinery where chain lubrication is an issue. Brass and nylon are also sometimes used. However, they are not that popular. Therefore, you should always check with your supplier before purchasing. By comparing the tensile strength of two different chains and making an informed decision, you can get the best price and service.
chain

Chain without bushing

Bushless roller chains have advantages over conventional roller chains. Unlike conventional chains, bushless chains have extensive lateral flexibility, which increases the chain’s lubrication flow. The inner plates of bushless chains have protruding shoulders so the oil can flow through them more easily and efficiently. This is an important characteristic of a smooth-running chain. Additionally, bushless chains may have improved shifting performance.
The strength of a bushingless roller chain is measured in terms of tensile strength and fatigue strength. The former measures the load a chain can withstand before breaking. Fatigue strength is equally important, and factors that affect fatigue strength include the steel used to make the chain components, the pitch hole fabrication, the type of shot peening on the chain, and the design and thickness of the chain. For example, if the chain is too thin, it may not be enough for heavy-duty applications.
Like traditional roller chains, bushingless roller chains have two different types of links. The inner link has two inner plates connected by pins, while the outer chain has two outer plates held together by bushings. A bushingless roller chain is similar to a traditional chain, except it eliminates a step in the assembly process by stamping the tube into the inner plate. So if you want a smoother ride, a bushingless roller chain is a better choice.
There are two different sizes of bushingless roller chains. One size is designed for use with standard single-strand chains, while the other size is designed for use with double-strand or triple-strand chains. Bushless chains are generally shorter than conventional chains, so they can fit in tighter spaces. Bushless chains are made of the highest quality materials. These chain attachments are case hardened for optimum strength and durability.

Mute chain

The silent roller chain has a smooth, low-noise drive. They are made of stacked rows of flat chainplates with a gear-like profile that meshes with the sprocket teeth. Each chainplate is attached to a corresponding sprocket, which also allows the chain to bend. While these basic components are the same for every silent roller chain, there are many variations that allow them to be used in a variety of applications.
The most popular high-speed transmission, silent chains feature gear-like sprockets. They can be made from single or multiple strands of material. Single-strand chains are less expensive than multi-strand chains, but they tend to wear out faster if not lubricated. Single-strand roller chains can be used for years without lubrication, but for your application, wide silent chains are still worth considering.
The design and construction of silent chains make them ideal for conveying a wide variety of products. They have flat, heat-resistant surfaces. They are also durable and non-slip. They are available in a variety of pitch sizes, widths, and mounting styles. Whether you need chains for general purpose conveyors or glass bottle transport applications, we have you covered. Ask about the benefits of silent roller chain conveyors.
Inverted tooth chains are another option for quieter chains. These chains are designed to reduce noise from engine-related friction. Silent chains are more common, and manufacturers have fallen in love with them. A silent chain consists of several links connected to the sprocket teeth. Teeth rotate to reduce noise, vibration, and chord action. These are the main reasons why silent chains are so popular.
chain

ANSI chain pitch

To measure your bike’s chain pitch, you can use a caliper. This measurement is taken from the center of the rolling pin to the center of the next rolling pin. Chains come in many sizes, but ANSI is the most common chain standard in the United States. A caliper is handy if you’re not sure which size to buy, as it allows you to check for worn sprockets.
Chains that meet ANSI standards will be characterized by a certain pitch. This measurement is based on the width and spacing of the roll. The spacing is usually greater than the width. The standard number will be the right number for the width of the chain or the left number for the rollers. The number on the left indicates whether the chain is lightweight or heavyweight. Heavyweight chains are designated by the suffix “H”.
Common chain sizes are based on ANSI chain pitch. Pitch is the minimum distance between bushing and sprocket. The smaller the chain pitch, the greater the total distance between the two points. This means the chain will last longer. However, if you are buying a chain for a specific application, you should check the pitch carefully as it can affect the performance of the chain.

Roller chain wear measurement

The purpose of roller chain wear measurement is to prevent breakage by monitoring the strain on the chain. There are several ways to measure roller chain wear. The first is to remove the chain from its working position and measure the distance from the sprocket to its measuring end. Another way is to measure the pitch of the chain or the distance between two pins. This method is superior to other methods because it is convenient and accurate.
When measuring the wear of a roller chain, it is important to note that the elements of the chain will gradually deform. About 3.75% of the total wear will be on the pins and the rest will be on the internal links. These wear measurements will vary based on the nominal pitch of the chain and the amount of friction the chain is experiencing. Proper lubrication between pins and bushings, load and frequency of articulation all affect wear rates.
It is important to measure the amount of wear on the roller chain to avoid excessive machine failures. The longer the chain runs, the more wear it will wear. Although the length of the chain should be less than the center distance, the excessive load will cause premature wear. Therefore, lubrication is essential. Additionally, the sag of the chain should not exceed 2% to 4% of its center-to-center distance. Finally, check for unusual noise or visible defects. A common cause of excessive roller chain wear is the size of the load. Every chain manufacturer sets a maximum workload for its product.
There are several ways to measure roller chain wear. If using a high-speed drive, it should have at least 11 teeth, and a medium-speed drive should have at least 25 teeth. Also, be sure to check the length of the chain, even if you should. The same goes for the pin diameter, which should be the same or different pitch as the roller chain.

China Hans Directly Sell 2.6mm High Quality Zinc Alloy Ball Chains     agricultural roller chainChina Hans Directly Sell 2.6mm High Quality Zinc Alloy Ball Chains     agricultural roller chain
editor by czh 2022-12-27