... Hex bolt 1.Bolt No:DIN933,DIN931,DIN934 2.Bolt size:M3-M22 3.Bolt material:Carbon steel 4.Bolt effect:Connection,Fastening Export Hex bolt ... according to the demand of the customers1.About HEX BOLT • Effect:Hex bolt is most widely used kind of bolts, it ... markets in North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Asia,Western Europe,US, South Korea, Russia and ...