Products Name: Hex Bolt(DIN933/DIN931) 1)Material:MS /Carbon Steel / Alloy Steel/Stainless Steel 2)Size:M5-M42 (1/4''-5/8'') ,Length:3/8''-12''(16-300 mm) 3)Standard:DIN /ABSI/ JIS/ ISO etc 4)Grade:4.8 /5.8/6.8/ 8.8 /10.9/ 12.9 5)Finish: Self color ,Galvanized(Zinc-Plated) , HDG , BZP ,YZP ,Colorful Coated ,Dacromet ,Mechanical Zinc Plating etc