Products Name: Hex Nuts (DIN934/DIN555/DIN6923) 1)Material:MS /Carbon Steel / Alloy Steel/Stainless Steel 2)Size:M5,M6,M8, M10,M12,M14, M16 to M42 3)Standard:DIN 934 , DIN 555 ,DIN6923 ANSI B18.2.2 ,JIS B1181, etc 4)Grade:Gr6/Gr8/Gr10 5)Finish: Galvanized(Zinc-Plated) , HDG , BZP ,YZP ,Dacromet etc Email:handanhaosheng05 at 163.com