... -end spike, dog spike,sharp-end spike and s hex head screw spike(screw spike)A: B:Elastic bar, lock washer, fishplate, ... rod, gauge plate, nylon yarn, rubber foot.2 Standard componentsA: Hex bolt, square bolt, steel structure bolt, torshear type high strength ... Various nuts and bolts (Nylon anti-loosen, mechanical anti-loosen, screw anti-loosen types)5 Various Standard components: Fasteners for motor ...