A rail screw spike, also called sleeper screw, rail screw or lag bolt, is a medium or large metal screw used to fasten a rail base plate or rail. GNEE are engaged supplying a wide range of rail screws, plate screws and screw spikes. These screws are manufactured using high graded raw materials satisfying all the quality standards.
Hexagon screw spike
| Grade | 4.6 | 5 .6 | 8.8 | 10.9 |
| Material | Q235 | 35# | 45# | 40Cr |
| Mechanical | Tensile strength: ≥ 400Mpa | Tensile strength: ≥ 500Mpa | Tensile strength: ≥ 800Mpa | Tensile strength: ≥ 1000Mpa |
| Yield strength: ≥ 240Mpa | Yield strength: ≥ 300Mpa | Yield strength: ≥ 640Mpa | Yield strength: ≥ 900Mpa | |
| Elongation: ≥ 22% | Elongation: ≥ 20% | Elongation: ≥ 12% | Elongation: ≥ 9% | |
| Cold bending: 90 degree | Cold bending: 90 degree | Cold bending: 90 degree | Cold bending: 90 degree | |
| without crack | without crack | without crack | without crack | |
| Surface | plain (oiled) , Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | |||
Beyond Hexagon screw spikes, GNEE RAIL also provides Ss series Sleeper Screws, Square head screw spikes, Double-head screw spikes, and other screw spike variants alongside dog spikes, as well as diverse railway fasteners: rail pads, fishplates, fish bolts, elastic clips, gauge guard plates, insulated gauge rods, etc. For detailed product information, contact us.
