High-Strength Bolt&Nut for Track Shoe/Roller/Segment/Sprocket 1.Materials ... 9 1, Elastic rail clips2, Dog spikes, square head screw spikes, timber drive spikes, T-bolts, fish bolts, switch ... Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon steel, stainless steel etc ... ship building industry High-Strength Bolt&Nut for Track Shoe/Roller/Segment/Sprocket