... -stainless steel, carbon steel, alloy steel, aluminum, brass, -milling, turning, tapping,drilling Item name: cnc partMaterial: Stainless steel, carbon steel, alloy steel ... , aluminum, brass,Precision machining, CNC machining, milling, turning, tapping, drilling, grinding, stamping, bending, forging, planning, welding,etc.Finish: Heat treatment ...