Spira-Broach Annular CuttersThese unique cutters reduce time and power requirements by cutting larger diameter holes at the periphery leaving solid slug in the center.
Sizes: 9/16", 11/16", 13/16", 15/16", 1-1/16"
- Give the lowest cost per hole
- Cut on curved surfaces
- Allow overlapping cuts on existing holes
- Stay sharp much longer
- Leaves a burr-free hole