... " 2) Standard: ANSI/ASME, DIN, BS, IFI, JIS ISO, GB and NON STANDARD, DIN 127 spring washer 1) Size: M3-M64 ... /42) Standard: ANSI/ASME, DIN, BS, IFI, JIS ISO, GB and NON STANDARD,3) Finish: PL, ZP, HDG, sheradizing, plain, black ... oxide, Zinc plated (blue, white and yellow) chrome plated, Cr+3, Cr+6,H.D.G ...