... :8.8S, 10.9S , Size:M12-M36 Material:Carbon Steel,Alloy Steel 1> Description: High strength bolt, tension control bolt, T. C Bolt 2 ... , 10.9, 12.9 1, Elastic rail clips2, Dog spikes, square head screw spikes, timber drive spikes, T-bolts, fish bolts, switch ... & crossing bolts, high tensile strength bolts for rail bridges etc.3, Various type and ...