Multi-Spur forstner bits have teeth (burs) around the rim enabling them to cut quickly with less friction so they produce less heat build-up. As a result, you can run them at slightly higher speeds and make slightly faster cuts.
Multi-Spur forstner bits have teeth (burs) around the rim enabling them to cut quickly with less friction so they produce less heat build-up. As a result, you can run them at slightly higher speeds and make slightly faster cuts.