Standard: DIN ANSI BS GB Material: carbon steel or specified Diameter: 5mm~20mm,1/4″~3/4″ Length: 8mm~200mm,5/16″~8″ Thread: Metric, Coarse, Fine, Fractional 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

Standard: DIN ANSI BS GB Material: carbon steel or specified Diameter: 5mm~20mm,1/4″~3/4″ Length: 8mm~200mm,5/16″~8″ Thread: Metric, Coarse, Fine, Fractional 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