... spike with these clips.. manufacture products as customers'drawing Railway FastenersA: Railway bolt, square head screw spike, T type bolt, ... loosen types)5 Various Standard components: Fasteners for motor, diesel engine, mechanical vehicle, petrochemicals, and electric power, etc. 6 ... fittings, and full set of special equipments, etc. Standards for railway products: T B, UIC , AREA, etc.Standards for ...