Hex bolts with nuts: 1) Different kinds ofstandards,DIN931/DIN933,UNC,UNF,BSW,and etc.available 2)Plain,z.p.,h.d.g. 3 ... )4.8,8.8 Hex bolts with nuts: sizesM5 and upfeatureslow carton,high tensile,stailessstandardDIN,ANSI,BSW,AS,JS ... specializes in producing many kinds of fasteners , such as bolts ,nuts, washers, screws, anchors and threaded rods. Our strength: Can make custom-specific ...