High Strength Hex Flange Bolts

    National standard GB/T5782-86 for external hexagonal bolts The standard stipulates that the thread specifications are M3~M64, A and B grade hexagon head bolts, A grade is used for D<=24 and L<=10D or L<=150mm (according to the smaller value) bolts; B grade is used for Bolts with D>24 or L>10D or L>150 (according to the smaller value). Hex bolt size Hex bolt standard: DIN ANSI BS GB Material: stainless steel or carbon steel Diameter: 5mm～20mm, 1/4″～3/4″ Length: 8mm～200mm, 5/16″～8″ Thread:: Metric, Coarse, Fine, Imperial Mechanical properties: 4.8, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9 Surface treatment: natural color, galvanized, blackened, nickel-plated Overview Product Name: High Strength Hex Flange Bolts Size: M1.6-M52 Material: SS304, SS316, SS316L, SS2205, SS660, S32750 Duplex stainless steel, carbon steel, Brass, Aluminum Standard: GB, DIN, ISO, DIN, ANSI, JIS, BS and Non-standard Surface: Passivate, Zinc, Black O…