... -end spike, dog spike,sharp-end spike and s hex head screw spike(screw spike)A: B:Elastic bar, lock washer, fishplate, rail ... plain washer, high strength bolt for bridge, stud, timber spike, hexagon flange bolt, bolt for carriage, handing down bolt, T type ... Various nuts and bolts (Nylon anti-loosen, mechanical anti-loosen, screw anti-loosen types)5 Various Standard components: Fasteners for motor ...