... , high tensile strength bolts for rail bridges etc.3, Various type and sizes of tie plates, clamps, fastenings, gauge plates, tie pads, ... .40Cr Bolt4.excavator and bulldozer track shoe bolt.We supply various dimension track shoe bolt ,which are used for caterpillar, ... 1 1/4'' 5.High tensile Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon steel, ...