Spiral Router Bit Upcut Pattern | Upcut Spiral Router Bit 19mm | Cut Spiral Router Bit - Power Tool Accessories - Aliexpress
Solid Carbide Spiral Router Bits
Whiteside Router Bits RU2100 Standard Spiral Bit with Up Cut Solid Carbide 1/4-Inch Cutting Diameter and 1-Inch Cutting Length - Edge Treatment And Grooving Router Bits - Amazon.com
3/4'' D x 1-1/4'' H x 1/2'' Shank Onsrud HSS Up-Cut Spiral Mortising Bit| Rockler Woodworking and Hardware
SpeTool 1/4 Up cut Router Bit 1/4 Shank 4 Inch Extra Long