Hex nuts Features: 1) Different kinds of nuts available ,M3 to M30 to be made by cold forming, M33 and up to be made by hot. Hex nuts: sizesM5 and upfeatureslow carton,high tensile,stailessstandardDIN,ANSI,BSW,AS,JS,ISO,ETC.stype Hex nut,nylon insert nut,T nut,flanged nut,long nut,wing nut,square nut,all-metal prevalling torque hex nut,thin nut,finish bright,zinc plated,hot-dip galvanized, ...