They all made from carbon steel.

Size: M6-m70

We can make railway fastener

Ss36 sleeper screws

1. Main technical data:
Mechanical properties, according to ISO898.1, grade 5.6

1.1 tensile strength σ B≥ 500mpa, body bend cold 90° , no crack on the pitch and body
1.2 yield strength; σ B≥ 300mpa, elongation δ ≥ 20%

2. Specification: M24x230
3. Material: Special carbon steel
4. Application: For cement sleepers.
5. Expamerican screw spike

1. Main technical data:

1.1 contented ASTM a66-87, tensile strength σ B≥ 60, 000psi, elongation δ ≥ 18%, body bend cold 90° -around pin 3 time spikes diameter
1.2 tensile strength σ B≥ 120000psi, elongation δ ≥ 12%, reduction of area ≥ 25%.

2. Specification: 5/8''× 4''_ 1-1/2''× 20''.
3. Material: 35 or 45.
4. Application: For wooden sleepers.
5. Export to north America and Australia or to Europe

Square head coach screw spike

1. Main technical data:

1.1 standard coach screw
Tensile strength: 74, 000 psi min
Yield strength: 57, 000 psi min
Elongation: 18% min
Reduction in area 35% min
Hardness: Hrb 80~110.
1.2 high strength coach screw
Tensile strength: 120, 000 psi min
Yield strength: 92, 000 psi min
Elongation: 14% min
Reduction in area 35% min
Hardness: Hrc 22~32.

2. Specification: 3/4'', 7/8'', 15/16'', 1'', 1 1/8'', 1 1/2''.
3. Material: 35, 45

Track bolt
Button head over neck track bolt
Sae grade 5

Other standard and no-standard screw spike
Features:
1) size: M20-m30
2) length: According to customer's request
3) meterials: Carbon steel
4) plating: H. D. G / black oxide / other
5)grade: 4.6, 5.6

Chinese fastener manufacturer / factory
Chinese bolt, screw manufacturer / facctory
China