... products 2.Standard:DIN,JIS,ANSI 3Material:Carbon steel.Stainless steel Professional supply stainless steel fasteners1.Nuts: Hex nut(DIN934,ISO4032,DIN439 ... ,UNI5721), Long nut(DIN6334), Spring nut, T nut(DIN1624), Wing nut(DIN315), Insert nut, Attck inside the nut, word cross ... nut.2.Bolts: Hex boltDIN933,DIN931), Hex flange nut(DIN6921), Wing bolt(DIN316). Carriage bolt(DIN603), Allen bolt(DIN912), T ...