This series of compression spirals is designed for doing mortise cuts or cutting material 5/8†thick or less. Designed with a 1/4†upcut or less preventing chipping and fuzzing on top and bottom of the material being cut. “Mortise cuts†are grooves cut in the material usually at a depth equal to or slightly less than the diameter of the tool.
- Indicates 3/16†upcut for 1/4†groove cuts or 1/4†material thicknesses.
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