CNC Machined Part, Bolts, Screws manufacturer / supplier in China, offering DIN933/DIN 6914/ASME B 18.2.1/Uni 5712/ISO 7411/JIS B 1186/En 14399-4/GB /T 1231 Customizable Gold Thickness Gold Plated Hex Head Bolts, Fh-Kb-Us M4-M12 Flat Head Knurled Body-Avk Standoffs/Rivet Nut/Blind Nut/Female Standoffs, DIN 65438/ISO 9254/Ifi 115/ASME B 18.2.5m/Jb /T 6686/SAE J 58/En 2874 OEM Flange 12-Point Bolts and so on.