... ), Wing nut(DIN315), Insert nut, Attck inside the nut, word cross-hole nut.2.Bolts: Hex boltDIN933,DIN931), Hex flange nut ... bolt(DIN912), T bolt.3.Screws: Drywall screw, Wood screw. Self driling screw, Self-tapping screw. Butterfly screws. Furniture nut, Set screw(DIN914 ... can supply Hex head bolts, hex nuts, nylon lock nuts, screws, tapping screws, etc2. We know quality is very important, so we are ...