Amana Tool AGE Series MD10-805-30 Carbide Tipped Aluminum and Non-Ferrous Metals 10 Inch D x 80T TCG, -5 Deg, 30MM Bore, Circular Saw Blade.  Carbide tipped saw blades for cutting relatively thick-walled aluminum, Aluminum Composite Material (ACM) and non-ferrous metal bars. The negative hook angle, triple-chip grind and thick plate combine to produce a superior finishCut extrusions and profilesExcellent for cutting: Aluminium & Aluminium Composite Materials (ACM)ALPOLIC® Copper Composite Material (CCM)BrassBronzeCopperLeadCan be used to cut other “difficult” materials such as plastic, PVC tubing, fiberglass, and fiberglass PCB board.