Best Overall
Freud 75-100 Up Spiral Bit, 1/8-Inch
Freud
Center-cutting end allows plunging directly into the surface without a pilot hole
- Spiral up-cut geometry
- Center-cutting end
- TiCo carbide
- 1/4-inch shank
Pros
- Center-cutting end allows plunging directly into the surface without a pilot hole
- Spiral up-cut geometry produces a shearing action that dramatically reduces tearout
- TiCo carbide stays sharp longer than standard carbide in repeated plunge cuts
- The most commonly recommended plunge bit for stopped grooves and mortises
Cons
- Up-cut spiral pulls chips upward -- some chip ejection onto the workpiece surface
- Higher price than standard straight plunge bits
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