... tooth, Used for wood and mild plastic. 2. Type Z: Alternate tooth, Used for wood and mild plastic ... D*L*d*T Circular Saw Blades for Aluminum: Type G: Tooth form not even, used for plastic, ... mild metal and others, especially for aluminum. Type P: Flat teeth, used for aluminum, mild metal and etc. ... gardens, yards, etc. Circular Saw Blades for Steel: Type P: Even tooth, used for aluminum, mild metal and ...