Standard: DIN ANSI BS GB Material: carbon steel or specified Diameter: 3mm~45mm,1/8″~1-3/4 Thread: metric, coarse, fine, inch Mechanical properties: 4.8,5.8,6.8,8.8,9.8,10.9,12.9 Finish: natural, zinc plated, blackened, nickel plated, chrome plated, hot-dip galvanized

Standard: DIN ANSI BS GB Material: carbon steel or specified Diameter: 3mm～45mm,18″～1-34″. Thread: metric, coarse thread, fine thread, inch system Mechanical properties: 4.8,5.8,6.8,8.8,9.8,10.9,12.9 Finish: natural, galvanized, blackened, nickel plated, chrome plated, hot-dip galvanized