... SpecificationsScrew and fastener 1.Provide different fastener products 2.Standard NO.:DIN,JIS,ANSI 3.Material:Carbon steel.Stainless steelWe ... nut(DIN929), Cap nut(DIN1587,JIS1183,UNI5721), Long nut(DIN6334), Spring nut, T nut(DIN1624), Wing nut(DIN315), Insert nut, ... flat screw, Welding screw.4.Washers: Flat washer(DIN125), Spring washer(DIN127)5.Wrench: Hex socket wrench(DIN911)6.Rivet: Blind rivet ...