... screw spikes, timber drive spikes, T-bolts, fish bolts, switch & crossing bolts, high tensile strength bolts for rail bridges etc.3, Various ... Ltd are supplying all kinds of high quality products such as bolts, high strength bolts, screws, nuts, threaded rod, anchor ... /8''-1 1/4'' 5.High tensile Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon steel ...