Hex bolts with nuts: 1) Different kinds ofstandards,DIN931/DIN933, ... . 3)4.8,8.8 Hex bolts with nuts: sizesM5 and upfeatureslow carton,high tensile,stailessstandardDIN,ANSI, ... ,6.8,8.8,10.9,12.9widely using forindustris,constructions,electrical,powerspackingsmall boxes,cartons or gunny ... in producing many kinds of fasteners , such as bolts ,nuts, washers, screws, anchors and threaded rods. Our strength: ...