Hex head, square head, washer head, drive spike
65,000 PSI (high strength 100,000 PSI available)
Meets ASTM A-66 specifications, TB436-77, GB10487-89, AREMA66-87, BS, UIC864
Hot forged and hot thread rolled
Material: GB700-88 steel, Q 235
Applied on railway lines equipment with wooden sleeper, turn-outs and switches.






