... nut(DIN1587,JIS1183,UNI5721), Long nut(DIN6334), Spring nut, T nut(DIN1624), Wing nut(DIN315), Insert nut, Attck inside the ... ), Wing bolt(DIN316). Carriage bolt(DIN603), Allen bolt(DIN912), T bolt.3.Screws: Drywall screw, Wood screw. Self driling screw ... Set screw(DIN914), Double sided screw, flat screw, Welding screw.4.Washers: Flat washer(DIN125), Spring washer(DIN127)5.Wrench: Hex socket wrench( ...