... cnc machining part 1.machine screw size,M3-M36 2.carbon, stainless steel 3.zinc plated,black,etc 4.flat,pan, etc. cnc machining ... passivation, gold passivation, galvanizing, satin, etc.2.Processing Method: cnc machining, turning, milling, drilling, grinding, broaching, welding and assembly. ... ROHSPackageSuitable for sea and air transportation or as required Lead Time7 days to 30 days according to order ...