WEN 1/4 in. Straight 2-Flute Carbide Tipped Router Bit with 1/4 in. Shank and 3/4 in. Cutting Length RB101FF - The Home Depot
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
CNC Router Bits :: Down Cut End Mills :: 1/4" Dia. 2 Flute Downcut Spiral End Mill CNC Router Bit - 1/4" Shank - Yonico 32216-SC
⅛” X ¼” Up-Spiral O-flute Router Bit | Shaper Store