How to Machine Aluminum: All You Need to Know - Make it From Metal
6063.. This is really similar in function to 6061, but this is more common to see in extrusions.. However, it isn’t quite as stiff.. This makes 6063 a little harder to machine; it’s softer and gummier.. When you’re cutting aluminum extrusions, use really sharp tools, good lubrication, and watch your chip clearance.. 7075..