... Standard: DIN, IFI, JIS, ISO,GB,ANSI 2)Washers type:flat ,spring ,lock,star 3)Accept customization ... Size: M3–M763 Material: 1) Carbon Steel 2) Alloy Steel 3) Stainless Steel 4) Brass 5 ... 8) Mechanical Galvanizing 9) Hot-dip Galvanizing5 Type 1) Spring washers 2) Flat washers(plain washer,IFI,ASTM) ... 1) Surface Condition: remove all burs and sharp edges.2) Packing: Carton, Box, Bag, Pallet or according ...