CNC Machined Part, Bolts, Screws manufacturer / supplier in China, offering ASME B18.31.2 ANSI 5/8" 3/4" 7/8" 1" Unc Unf Double End DIN975 DIN976 Full Stud Bolt HDG Black Zinc Galvanized Stainless Steel/Aluminum Bar Thread Rod, DIN 65438/ASME B 18.2.5m/Jb /T 6686/SAE J 58/En 2874 OEM Gold Thickness (0.01-1μ m) 24K 18K 16K Flange 12-Point Bolts, DIN975 DIN976/ASME B18.31.2 ANSI 5/8" 3/4" 7/8" 1"OEM Gold Thickness (0.01-1μ m) 24K 18K 16K Gold Plated Unc Unf Full Stud Bolt Bar Thread Rod and so on.