ss5, ss8, ss25, ss36 and other specifications
Screw spikes, coach screw, drive spikes, 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, GB10487-89, AREMA66-87, BS, UIC
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.
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