... supplies a great variety of track fittings and accessories for any rail section, including screw spikes, track spikes, track bolts, fishplate bolts, and more ... , 14*14*150, 16*16*165, etc. Track BoltSize: Fish Bolt, T Bolts for railway, Dog Bolt, Square Head Bolt for Turnout ... TB/T1780-1986 standard. Insulated gage bar is upon request. Railway Track Accessories