... :Aluminum;Alloy3.Surface:Clear / Black Anodized4.Competitive price and excellent quality Part namegrass cutting machine parts Tolerance range0.01m m-0.1mmMachining stepCnc ... Milling, NC Turning , NC Milling,Drilling, threading, stamping, punching etc..Surface finishPolishing, and Chrome plating, zinc plating, Sandblast, Nickel plating, Electrophoresis, Anodization ...