railway fastener

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 components A: Hex bolt, square bolt, steel structure bolt, torshear type high strength plain washer, high strength bolt for bridge, stud, timber spike, hexagon flange bolt, bolt for carriage, handing down bolt, T type bolt, hinged bolt. B: Hex nut, square nut, hex flange nut, slotted nut, high strength nut for bolt.3 Fastener Spring washer, flat washer, split pin4 Anti-loosen Fasteners Various nuts and bolts (Nylon anti-loosen, mechanical anti-loosen, screw anti-loosen types) 5 Various Standard components: Fasteners for motor, diesel engine, mechanical vehicle, petrochemicals, and electric power, etc. 6 Mechanical processing components thread spinner fittings, auto fittings, and full set of special equipments, etc. Standards for railway products: T B, UIC , AREA, etc.Standards for standard components: GB, DIN, ASTM/ANSI, BS, JIS, etc.Package : packed in the knited bags and then fixed them in the wooden