Hexagon Head Bolts 1.Standards:ISO,DIN,AS/NZS,GB,ANSI,BS 2. ... ,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 ... question. Please do not hesitate to contract me Hexagon Head Bolts
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