Hexagon Head Bolts 1.Standards:ISO,DIN,AS/NZS,GB,ANSI,BS 2.Material:stainless steel,carbon 3.Surface:Plain,ZP, YZP,BLACK,HDG Hexagon Head Bolts 1. Size: M3------M242.Material: (Medium; Low; High)-carbon steel and Stainless3. Quality: Multistage cold dun products, thread 6H, Surface smooth without burr4. Grade: ISO898-2 4, 6,8,10, 125. Colour: Plain,ZP, YZP,BLACK,HDG,Dacromet6. Packing: 25 kg ...