... :M3-M76 3.Surface:Plain,Zinc plated,Black,Hot galvanized DIN933 1.Standard :DIN,ANSI/ASME,BS,AS 2.Size:M3-M76 ... 3.Surface:Plain,Zinc plated,Black,Hot galvanizedDIN9331.Standard:DIN931/933,DIN558/601,DIN6914,DIN960/9612.Metail:Carbon steel ... to customers` drawings and/or samples or designed by ourse DIN933 Bolts