Essential AS Coach Screws Rail Fasteners for Solid Hold on Railway Sleepers Application
Brand Name:GNEE RAIL
Certification:ISO 9001
Model Number:AS Coach Screw
Minimum Order Quantity:1 Ton
Delivery Time:30 Days
Place of Origin:CHINA
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Anyang Henan China
Address:
25th Floor, Huafu Commercial Center, Wenfeng District, Anyang City,Henan Province
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Description
Railway sleeper coach screws, also called screw spikes or chair screws, are usually used to fix wooden railway sleepers with tie plates or rail chairs.
Coach screws are designed with a square head at the top and a cylindrical shaft with external threads on the other end. The railway sleeper coach screw used by Kingrail Parts is carbon steel with a tensile strength of 550-700 N/mm. Both the design and materials help wedge the coach screws easily and provide a solid hold.
AS Coach Screw Specifications:
| 5 1/2 ” AS Coachscrew | 6 5/16” AS Coachscrew | |
| Length | 139.7mm±3.18mm | 160.34mm±3.18mm |
| Diameter & Neck | Minor φ 17.46mm±0.38mm Major φ 23.8mm±0.38mm Neck φ 25.4mm±0.38mm×14.29mm | Minor φ 17.46mm±0.38mm Major φ 23.8mm±0.38mm Neck φ 25.4mm±0.38mm×14.29mm |
| Square head & Thickness | @Top 16.99mm A/F ＋0mm －0.76mm @Bottom 28.58 A/F ＋0mm －0.76mm 31.75mm from top to underside of head ±1.27mm | @Top 16.99mm A/F ＋0mm －0.76mm @Bottom 28.58 A/F ＋0mm －0.76mm 31.75mm from top to underside of head ±1.27mm |
| Material | BS64, GB 699-88, 45# or 35# | BS64, GB 699-88, 45# or 35# |
| Tensile strength | 550-700 N/mm | 550-700 N/mm |
| Surface treatment | Hot Dipped Galvanised (HDG) | Hot Dipped Galvanised (HDG) |
| Weight | Approximate 0.6kg | Approximate 0.7kg |
| Elongation | 15% | 15% |
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Essential AS Coach Screws Rail Fasteners for Solid Hold on Railway Sleepers Application
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