... DIN934 hex nut 1.Material:A3,Carbon Steel 2.Diameter:M2-M24 3.Grade:4.8 ... 8, 10, etc Zinc plated carbon steel hex nut DIN 9341.Material:A3,Carbon Steel, Alloy Steel2.Diameter:M2-M243 ... .Grade:4.8, 5.6, 8, 8.8, ... fine or extra fine.Surface: zinc plated, black, plain, full hexagon, no burr, no dirtiness inside and nice flatness & ...