Forstner bits feature continuous rounded edges for smooth cutting with minimal tearout. Sawtooth bits feature serrated edges for cutting harder materials such as end grain.
An Imperial set including bits of following approximate sizes (accurate to +/- 0.5mm):
- 1/4" (FSB)
- 3/8" (FSB)
- 1/2" (FSB)
- 5/8" (FSB)
- 3/4" (FSB)
- 7/8" (FSB)
- 1"
- 1-1/8"
- 1-1/4"
- 1-3/8"
- 1-1/2"
- 1-5/8"
- 1-3/4"
- 1-7/8"
- 2"
- 2-1/8"
Note: Sizes indicated with (FSB) are Forstner style.