... spikes, square head screw spikes, timber drive spikes, T-bolts, fish bolts, switch & crossing bolts, high tensile strength bolts for rail ... clamps, fastenings, gauge plates, tie pads, fish plates and joint bars.4, Rail brace, welded shoulders and rail anchors.5, Standard fasteners.6 ... ASME B18.2.3.7Product name: Track bolt and nut Model: As per machine Material: 40Cr Processing: Forging Size: M12*40 ...