Din916 socket set Screw: 1) Various kinds of screws available 2) Can be supplied in different kinds of finish, such as plain. hex socket head set screw: sizesall sizefeatureslow carton,high tensile,stailessstandardDIN,ANSI,BSW,AS,JS,ISO,ETC.finish bright,zinc plated,hot-dip galvanized,mechanical plated ,nickel plated,blackgrades4.8,5.8,6.8,8.8,10.9,12.9widely using forindustris,constructions, ...