... , two-end spike, dog spike,sharp-end spike and coach screw (rail fasteners)A: B:Elastic bar, lock washer, fishplate, ... rail support, steel sleeper, rail anchor, track rod, gauge plate, nylon yarn, rubber foot.2 Standard componentsA: Hex bolt ... Various nuts and bolts (Nylon anti-loosen, mechanical anti-loosen, screw anti-loosen types)5 Various Standard components: Fasteners for motor ...