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 ... stypehex bolt,T nut,U bolt,fish bolt,roofing bolt, eye bolt,plow bolt,cup head bolt,D bolt,hex socket bolt.finish bright,zinc plated,hot-dip galvanized,mechanical plated ,nickel plated, ...