A rail sleeper screw, also called screw spike, rail screw or lag bolt, is a medium or large metal screw used to fasten a rail base plate or rail.
We offer various types of spiral spikes: Ss series Sleeper Screw, Square head screw spike, Hexagon screw spike, Double-head screw spike, etc., as well as dog spikes of various specifications.
Double-head screw spike has 2 screw heads on both sides of the nail. It is commonly used in Nabla rail clamp fasteners system, especially for Africa. In order to achieve strict bending standard, it adopts straightened special raw materials, which presents no crack after being bended for 30 degrees.
Double-head screw spike Specifications:
| Size: 23×174 |
| Grade: 4.6, 5.6, 8.8, 10.9 |
| Raw Material: 35# |
| Raw material: Q235, 35#, 45# |
| Surface Treatment: Plain (oiled), Bluing, Zinc, HDG, etc |
Other types of spikes provided by GNEE RAIL:
Ss series Sleeper Screw
| Type | Specification | Weight/kg | Surface | Standard |
| Ss 1/130 | M22*130 | 0.451 | UIC | |
| Ss 1/150 | M22*150 | 0.478 | Natural | AREMA |
| Ss 2/180 | M22*150 | 0.595 | Zinc | GB |
| Ss 5/150 | M24*150 | 0.545 | Paint | or |
| Ss 6/150 | M26*150 | 0.702 | Oil | According to your drawings or samples. |
| Ss 7/180 | M24*180 | 0.636 | According to your needs. | |
| Ss 8/140 | M24*140 | 0.528 | ||
| Ss 8/150 | M24*150 | 0.548 |
Square head screw spike
| Type | Specification | Material | Surface | Standard |
| Square head screw spike | M22*145 | 45# | Natural | UIC |
| 55Q | Zinc | AREMA | ||
| M22*155 | Q235 | Paint | DIN | |
| M22*165 | or | Oil | GB | |
| M22*185 | According to your needs. | According to your needs. | or | |
| M22*195 | According to your drawings or samples. | |||
| Other kinds |
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 | |||
We also manufacture kinds of Clip and Clamp, High Tensile Bolt with Nut and Washer, Rail Base(Tie) Plate, Rail Fish Plate, Rail Shoulder, Fish Bolt with Nut and Washer, Rail Dowel, Rubber and EVA Pad, Crane Rail and Light Rail, and Other rail fasteners parts.
