CNC machining, processing, machining Aluminum/SS/mild steel/Alloy steel/copper, etc Max. 1.8 meters product, US standard ... CNC machining, Processing, Machining1. Material: Aluminium, Stainless Steel, mild steel, alloy steel, cooper, brass etc.2. Max. 1.8 meters product ... is acceptable.3. Smooth Finish: U.S. Standard (0.80 ...