cnc machine part 1.machine screw size,M3-M36 2.carbon, stainless steel 3.zinc plated,black,etc 4.flat,pan, etc. cnc machining part ... ,JIS,ANSI4.ISO9001-2008,SGS,ROHS certificate.5.We have a lot of years technical experiences, we are engaged in the ... pursuit continous progress.6.We commit ourself to smile to each customer1)Details: Product name cnc machining part Material1.Stainless Steel: SS201, SS303 ...