... screw spikes, timber drive spikes, T-bolts, fish bolts, switch & crossing bolts, high tensile strength bolts for rail bridges etc.3, Various type ... , clamps, fastenings, gauge plates, tie pads, fish plates and joint bars.4, Rail brace, welded shoulders and rail anchors.5 ... supplying all kinds of high quality products such as bolts, high strength bolts, screws, nuts, threaded rod, anchor bolt, nail, ...