American Screw Spike



screw spike
1. Main technical data:

1.1 Contented ASTM A66-87, tensile strength σb≥60,000psi,
Elongation δ≥18%, Body Bend Cold 90°-around pin 3 time spikes diameter,

1.2 Tensile strength σb≥120000psi, Elongation δ≥12%,
Reduction of area Ψ≥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