cnc machine part 1.machine screw size,M3-M36 2.carbon, stainless steel 3.zinc ... assembly.3.Variety of standards:ISO,GB,DIN,JIS,ANSI4.ISO9001-2008,SGS,ROHS certificate.5.We have a lot of years ... plated,black.StandardISO,GB,DIN,JIS,ANSICetificateISO9001-2008,SGS,ROHSPackageSuitable for sea and air transportation or as required Lead Time7 days to ...