DIN912 Hex socket screw Carbon steel,alloy steel,stainless steel 8.8s,10.9s,12.9s Black,zinc plated,hdg,dacromet DIN912 Hex socket screwFeactures:1)Standard:DIN912,913,914,915,916,DIN84,ASME B18.3,JIS B 1177,BS2)Material:Carbon Steel,stainless steel(304,316),etc3)Size:All sizes are available4)Finish:Plain,Zinc plated,black,Chromate,Nickel-plated and so on.5)Packing: Packed in cartons,then in ...