... -end spike, dog spike,sharp-end spike and so on railway fastener(screw spike)A: B:Elastic bar, lock washer, fishplate, rail ... support, steel sleeper, rail anchor, track rod, gauge plate, nylon yarn, rubber foot.2 Standard componentsA ... flange nut, slotted nut, high strength nut for bolt.3 Fastener Spring washer, flat washer, split pin4 Anti-loosen Fasteners Various ...