SS5ú¼SS8,SS25ú¼SS36 and other specifications Hex head, square head, washer head ,drive spike, are available. 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 ,Q235 Applied on railway lines equipment with wooden sleeper ,turn-outs, and switches. gunny bags or 200lbs kegs +wooden pallets.
