Inner Height: 25mm(0.98in)
Inner Width: 25-103mm(0.98-4.06in)
Outer Height: 35mm(1.38in)
Outer Width: 40-123mm(1.57-4.84in)
Bending Radius: R 40-250mm(1.57/9.84in)
Pitch : 24mm(0.94in)
Links per Meter: 42 pcs
Structure: bridge type +high elasticity rubber sheet
End brackets :rectangular connectors
Material: glass fiber +nylon PA66
Length: cut to length / Customization
Color :fully black
Available accessaries :inside separators (dividers )
MOQ : 1Meter or Set
OEM/ODM/Custom logo or color
As a leading B2B drag chain manufacturer in China, we specialize in high-performance cable tracking solutions engineered for demanding industrial motion applications. The 25x77 series high-speed silent nylon drag chain is designed to route and safeguard delicate power lines, dynamic encoder cables, pneumatic hoses, and fluid tubes against continuous friction, mechanical strain, and environmental wear. Featuring a compact 25mm inner height and an expansive 77mm inner width, this bridge-type silent cable carrier integrates seamless structural support into high-precision machinery operating under continuous reciprocating motion. For applications requiring smaller lateral mounting spaces or budget-friendly routing, explore our 25x38 Cost-effective Nylon Drag Chain Cable Carrier.
Whether integrated into automated pick-and-place systems, CNC machining centers, high-speed UV flatbed printers, or robotic production lines, choosing a direct factory supplier guarantees rigorous manufacturing standards, reliable material composition, and extended operating cycles.

As an established drag chain manufacturer, our engineering team formulates each series from 30% glass fiber reinforced PA66 nylon. This custom material composite guarantees ultra-high tensile strength, flame retardancy, low thermal expansion, and exceptional durability across extreme industrial environments.
As a professional drag chain manufacturer, we offer two distinct mold structure configurations for the 25x77 series to match different outer dimension requirements and bending radius options on customer machinery.
Optional sizes 1: Standard Outer Profile (97mm Outer Width)
| Parameter | Value |
|---|---|
| Model | YDLHS2577 |
| Status | Hot product |
| Inner Height | 25 mm |
| Inner Width | 77 mm |
| Outer Height | 35 mm |
| Outer Width | 97 mm |
| Pitch | 24 mm |
| Bend Radius | R75, R100, R125, R150, R175, R200, R250 |
| Max Cable OD | 22.5 mm |
| Material | 30% GF + PA66 Nylon |
| Operating Temp | -40°C to +130°C |
| Structure | Bridge type (openable both sides) |
| Color | Fully Black |
| Configurations | Inner separators / Custom logo / Custom color |
| Advantages | Low noise / High speed / Smaller pitch & outer dimensions |
Optional sizes 2: Compact Outer Profile (92mm Outer Width)
| Parameter | Value |
|---|---|
| Model | YDLHS2577 |
| Status | Hot product |
| Inner Height | 25 mm |
| Inner Width | 77 mm |
| Outer Height | 35 mm |
| Outer Width | 92 mm |
| Pitch | 24 mm |
| Bend Radius | R40, R55, R75, R100, R125, R150, R175 |
| Max Cable OD | 22.5 mm |
| Material | 30% GF + PA66 Nylon |
| Operating Temp | -40°C to +130°C |
| Structure | Bridge type (openable both sides) |
| Color | Fully Black |
| Configurations | Inner separators / Custom logo / Custom color |
| Advantages | Low noise / High speed / Smaller pitch & outer dimensions |
The 25x77 open-type silent energy chain provides an ideal routing envelope for dynamic setups where multiple cables and hoses must be compartmentalized cleanly side by side:

Partnering with an OEM/ODM drag chain manufacturer ensures full control over dimensional precision, raw material integrity, and delivery timelines. Our state-of-the-art facility adheres to strict ISO-certified production protocols:
1. Injection Molding Production: Precision injection molding machines utilize pure PA66 GF30 compound under precise temperature regulation to produce high-density links with maximum fatigue strength.
2. Component Assembly & Quality Inspection: Experienced technicians hand-assemble cross-bars, side links, and separators, dynamically inspecting pitch articulation to ensure quiet, friction-free movement.
3. Finished Goods Packaging: Completed chain sections undergo final length testing before being wrapped and packed into reinforced export cartons or palletized for international ocean and air freight.

To ensure optimal long-term cable protection, follow standard engineering formulas when selecting your cable carrier: