SpeTool Extra Long O Flute Spiral End Mill Carbide Router Bits 1-1/2 inch Cutting Length Single Flute Upcut for Acrylic PVC MDF Aluminum Cutter: Amazon.com: Tools & Home Improvement
Amana Tool HSS1662 Double Flute Spiral Router Bits Metal Aluminum Cutting 1/2 D x 1-1/2 x 1/2 Inch Shank Down-Cut Router Bit High Speed Steel - - Amazon.com
SpeTool 3 Flute 1/16 Dia 1/8 Inch Shank Router Bits for Aluminum Cut