Standard:DIN,ISO,ANSI/ASTM,BS,JS Material:SS304,SS304L,SS316,SS316L,A2,A4 Size:M3-M100 Features:1)Standard:DIN,ISO,ANSI/ASTM,BS,JIS,GB.2)Material:Mild steel,carbon steel,alloy steel,SS304,SS304L,SS316,SS316L,brass,coppper,etc3)Size:M3-M1004)Finish:Plain,black,zinc plated,HDG,chromate,dacromet5)Packing:Export Packing (Carton/ Pallet).also according to customer`s requirement. Hex Nuts