China manufacturer Welded Steel Drag Chain on Wdh116, Wdh112

Product Description

Product Description

welded steel mill chain, welded steel drag chain, cast fixed pin chain, pintle chain, drop forged link chain and Engineer Class Driving Chain, with alloy steel and stainless steel selection according to your requirement
1, Chain types: drop forged rivetless chain, Roller Chain, conveyor chain, agricultural chain, sugar industry chain, palm oil industry chain, asphalt industry chain,elevator conveyor industry chain, double flex chain, pintle chain, weld steel drag chains, malleable chain etc;

2, Main materials: It is 40Mn. 40Cr, 45Mn alloy steel or SUS304 for plates, 10#, 20#, 20CrMnMo, 30CrMnTi for pins and rollers;
3, Heat treatment: Carburizing, Austemper Stressing, nitro-caburizing harden etc;
4, Surface: Shot peening, black, blue or original;
5, Package way: Plastic bag+ carton box+ plywood case

Detailed Photos



Chain No. Pitch Bush diameter Width between inner plates at 2 small ends Pin diameter Outside width between plates at 2 small ends(or Barrel length) Pin length Depth of chain plates Plate thickness Ultimate tensile strength Weight per meter
mm mm REXNORD mm Min (mm) Max(mm) mm mm lbs Kg/m
WD102 5inch(127mm) 38.10mm 6.5inch 0.75inch(19.05mm) 7.75inch(197.1mm) 9.13inch(244.6mm) 1.5inch(38.1mm) 0.38inch(9.65mm) 38300 16.37
WDH102 55000
WD104 6inch(152.4mm) 38.10mm 4.13inch 0.75inch(19.05mm) 5.38inch(136.9mm) 6.75inch(181.4mm) 1.5inch(38.1mm) 0.38inch(9.65mm) 38300 13.39
WDH104 55000
WD110 6inch(152.4mm) 38.10mm 9.0inch 0.75inch(19.05mm) 10.38inch(263.9mm) 11.8inch(308.6mm) 1.5inch(38.1mm) 0.38inch(9.65mm) 38300 17.86
WDH110 55000
WD113 6inch(152.4mm) 38.10mm 9.0inch 0.88inch(22.22mm) 10.63inch(270.2mm) 12.5inch(322.3mm) 1.5inch(38.1mm) 0.5inch(12.7mm) 48000 26.79
WDH113 57000
WD120 6inch(152.4mm) 38.10mm 8.75inch 0.88inch(22.22mm) 10.25inch (260.35mm) 12.1inch(307.34mm) 2inch(50.8mm) 0.5inch(12.7mm) 70000 29.76
WDH120 79000
WD112 8inch(203.2mm) 38.10mm 9.0inch 0.75inch(19.05mm) 10.38inch(263.9mm) 11.8inch(308.6mm) 1.5inch(38.1mm) 0.38inch(9.65mm) 38300 14.88
WDH112 55000
WD116 8inch(203.2mm) 38.10mm 13inch 0.75inch(19.05mm) 14.13inch(359.1mm) 15.5inch(405.9mm) 2inch(50.8mm) 0.5inch(12.7mm) 55000 19.35
WDH116 59000
WD118 8inch(203.2mm) 50.80mm 13.3inch 0.88inch(22.22mm) 14.88inch (378.2mm) 16.8inch(431.1mm) 2inch(50.8mm) 0.5inch(12.7mm) 70000 31.25
WDH118 79000
WD480 8inch(203.2mm) 50.80mm 11.2inch 0.88inch(22.22mm) 12.75inch(324.1mm) 14.6inch(377.9mm) 2inch(50.8mm) 0.5inch(12.7mm) 70000 26.79
WDH480 79000

Product Parameters


Packaging & Shipping

1. Inner packing: Poly bag, air bubble bag, carton according to buyer’s request.
2. Outer packing: OSB case or pallet.
3. Please remember to leave the correct contact ADDRESS information for delivery.

Our Advantages


Company Profile

We are a leading manufacturer of mechanical transmission spare parts, as well as several years 1 of reliable and trustworthy vendors. Our main items are roller chain, conveyor chain, agricultural chain, sugar industry chain, palm oil industry chain, asphalt industry chain,elevator conveyor industry chain etc.
At present, For South American, European, and Asian market, our superior products are fabricated according to your requirement and our quality meets ISO, ASME, DIN standard.

Please watch our process steps as below
(1) punch its outer plate and inner plates

(2)Shot peening workshop

(3) heat treatment workshop

(4) assembly preparation

(5) pins process

(6) Tensile Properties Test before shipment


After Sales Service

Our products can be repaired or replaced the new parts with free cost in six months.


1.Q:How about mould cost?
A: primarily depend on : 1.Drawing, 2.material, 3.weight and quantity.
We need to know the structure of each parts to analyze the mold solution by:

1) –Complete design drawing, product model or actual sample —– the best way
–PDF drawing with complete dimension for each parts
–Clearly photos for each parts with more angle-views to show every features.

2)The materials, technical parameters and surface treatments.
technical parameters: tell us about its model, pitch, roller diameter, width between inner plates, attachment type, outside drawing etc.

3)The quantity of order.

2.Q:How to control the product processing?
A: The processing report or pictures will be sent to the customer every week/ each month for review.

3.Q:Who will own the mould?
A:Customer, also the mould can be kept in our factory for future order.

4.Q:How long do you make your quotation?
A:After receiving detail informations we will quote in 1 to 3 days.

5.Q: MOQ? —
small chain type: if its pitch is less than 38.10mm and its thickness is less than 5mm, MOQ is 1500 CHINAMFG on these roller chains or conveyor chains;
middle chain type: if its pitch belongs (38.10mm
big chain type: if its pitch is more than 76.20mm and its thickness is more than 10mm, MOQ is 200 CHINAMFG on these roller chains or conveyor chains;

I hope we can do business together, and look CHINAMFG to hearing from you soon
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Material: Alloy
Structure: Welded Chain
Surface Treatment: Carburizing and Quenching
Chain Size: 8.0inch
Feature: Heat Resistant
Chain Number: Wdh116


Customized Request


Can drag chains be used in the automotive and transportation sectors?

Yes, drag chains can be used in the automotive and transportation sectors for various applications that involve cable management and protection. In these industries, drag chains play a crucial role in ensuring the reliable and safe operation of cables, wires, and hoses used in vehicles and transportation systems.

In the automotive sector, drag chains are commonly used in modern vehicles, including cars, trucks, buses, and specialty vehicles. They are employed to organize and protect cables and hoses that control various systems such as engine components, sensors, lighting, and braking systems. Drag chains help prevent cables from getting tangled, pinched, or damaged during the vehicle’s movement, ensuring consistent and smooth operation of the electrical and mechanical systems.

In the transportation sector, drag chains are used in a wide range of applications, including trains, trams, subways, and other mass transit systems. They are used to manage and protect cables and hoses that control vital functions such as propulsion systems, doors, HVAC systems, communication systems, and more. Drag chains in these applications must be durable, reliable, and able to withstand the continuous movement and harsh environmental conditions experienced in transportation settings.

Drag chains used in the automotive and transportation sectors are designed to withstand various challenges, including high vibration, temperature fluctuations, exposure to dust and dirt, and continuous flexing during vehicle operation. They are typically made from materials such as plastic, metal, or hybrid materials to offer the necessary strength and flexibility required for the specific application.

Overall, drag chains are essential components in the automotive and transportation sectors, ensuring proper cable management, protecting cables from wear and damage, and contributing to the overall safety, efficiency, and reliability of vehicles and transportation systems.


What are the limitations of using drag chains in certain applications?

While drag chains offer numerous advantages in cable management and protection, they also have certain limitations that need to be considered when selecting and using them in specific applications. Here are some limitations:

1. Limited Flexibility:

Drag chains are designed to move in a linear or slightly curved path. They may not be suitable for applications that require high flexibility or intricate routing of cables in multiple directions.

2. Size and Space Constraints:

For applications with limited space, finding the right-sized drag chain that can accommodate all the necessary cables and hoses without causing overcrowding can be a challenge.

3. Weight Restrictions:

Heavy-duty drag chains can handle significant loads, but there are weight limits for each type and size of chain. Exceeding these limits can lead to premature wear and reduced performance.

4. Noise and Vibration:

In high-speed or dynamic applications, the movement of drag chains can generate noise and vibration, which might affect the overall system performance or require additional noise-damping measures.

5. Maintenance:

While drag chains reduce cable wear and maintenance needs, they still require regular inspection and maintenance to ensure they function optimally. Neglecting maintenance can lead to unexpected failures.

6. Temperature Limits:

Some drag chains have temperature limitations. High-temperature environments can cause drag chains to degrade or lose their structural integrity, impacting their performance and lifespan.

7. Chemical Resistance:

Exposure to certain chemicals can deteriorate the material of the drag chain. Selecting the appropriate material with chemical resistance is crucial in chemical or corrosive environments.

8. Environmental Exposure:

In outdoor applications, drag chains are exposed to weather conditions such as rain, snow, and UV radiation, which can affect their durability over time.

9. Cost:

Drag chains can be more expensive compared to other cable management solutions. The initial investment should be weighed against the benefits they provide.

10. Compatibility:

Ensuring compatibility between the drag chain, cables, and hoses is essential to prevent friction, abrasion, or damage to the cables.

Despite these limitations, drag chains remain highly versatile and widely used in various industrial applications for cable management and protection.


Can drag chains be used in CNC machines and machining centers?

Yes, drag chains can be used in CNC machines and machining centers, and they play a crucial role in managing and protecting the cables and hoses used in these high-precision and automated manufacturing systems.

Benefits of using drag chains in CNC machines and machining centers:

1. Cable Management: CNC machines and machining centers have a complex network of cables and hoses that control various components, such as motors, sensors, and coolant systems. Drag chains provide an organized and secure pathway for these cables, preventing tangling, twisting, and damage during machine operation.

2. Protection: The cables and hoses in CNC machines are exposed to constant movement, debris, and potential hazards. Drag chains shield them from mechanical damage, metal chips, coolant splashes, and other environmental factors, ensuring their longevity and reliability.

3. Reduced Downtime: Efficient cable management with drag chains minimizes the risk of cable failures and the associated downtime for repairs or replacements. This leads to improved productivity and reduced production interruptions.

4. Smooth Operation: Drag chains facilitate smooth movement of cables and hoses as the machine’s moving parts traverse along their programmed paths. This prevents cable snags and interference with the machine’s operation, contributing to more accurate and precise machining.

5. Versatility: CNC machines and machining centers come in various sizes and configurations. Drag chains are available in different sizes, shapes, and materials, making them versatile and adaptable to fit the specific requirements of each machine.

6. Noise Reduction: The movement of cables and hoses in CNC machines can generate noise and vibration. Drag chains equipped with noise-reducing features dampen these effects, resulting in quieter operation and a more comfortable working environment.

7. Maintenance: Drag chains require minimal maintenance, making them ideal for CNC machines and machining centers where continuous operation is essential. Regular inspections and cleaning are typically sufficient to ensure their optimal performance.

8. Safety: Proper cable management with drag chains enhances the safety of CNC machines and machining centers. Organized cables reduce the risk of tripping hazards and prevent accidental damage to sensitive components.

In conclusion, drag chains are highly beneficial in CNC machines and machining centers. They improve cable management, protect cables and hoses, reduce downtime, and contribute to the smooth and safe operation of these precision manufacturing systems. Their adaptability, durability, and low maintenance make them a reliable solution for managing cables in the demanding environment of CNC machining.

China manufacturer Welded Steel Drag Chain on Wdh116, Wdh112  China manufacturer Welded Steel Drag Chain on Wdh116, Wdh112
editor by CX 2024-03-26

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