Screw spike
ss5, ss8, ss25, ss36 and other specifications
Screw spike, coach screw, drive spike, Washer head timber spike, chair screws, LX screws, concrete bearer chairscrew, spiral spike, square head coach screw spike
65,000 Psi (high strength 100,000 psi available)
Meets ASTM A-66 specifications, TB436-77
Hot forged and hot thread rolled screw spike
Material: GB700-88 steel, Q 235
Applied on railway lines equipment with wooden sleeper, turn-outs and switches. Certificate: ·                                 IOS:9001\nSGS\nBV

Main Product:
Track bolt , screw spike, elastic clips ,track spike ,fishplate ,