5/16" Solid Carbide Spiral Upcut Bit 170C - Leigh Dovetail Jigs and Mortise Tenon Jigs
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
Solid Carbide Compression Spiral Router Bits | Eagle America