Onsrud Up-Cut Spiral Mortising Router Bits - 1/4" Shank
Up-spiral design directs chips up and out of mortises and grooves, resulting in a cooler cutter, less burning and a long cutting life.
Onsrud up-cut spiral router bits are perfect for cutting mortises. The up-cut design helps keep the mortise clear of chips and shavings while you cut. Available in high speed steel and solid carbide.
(1) Up-Spiral Mortising Bit