cnc machine part 1.machine screw size,M3-M36 2.carbon, stainless steel 3.zinc plated,black,etc 4.flat,pan, etc. cnc ... , gold passivation, galvanizing, satin, etc.2.Processing Method: cnc machining, turning, milling, drilling, grinding, broaching, welding and assembly ... commit ourself to smile to each customer1)Details: Product name cnc machining part Material1.Stainless Steel: SS201, SS303, SS304, ...