... cnc machine part 1.machine screw size,M3-M36 2.carbon, stainless steel 3.zinc plated,black,etc 4.flat,pan, etc. cnc ... passivation, galvanizing, satin, etc.2.Processing Method: cnc machining, turning, milling, drilling, grinding, broaching, ... ,ANSI4.ISO9001-2008,SGS,ROHS certificate.5.We have a lot of years technical ... goods,free for samples.Picture:4) Factory:5) Packing:6) Company Information:7)Shipping:8 ...