- CNC-machined to .0003" T.I.R. or les
- Ideal for any Bridgeport-type (collet driven) machine
- Use dry at 175 to 225 RPM
- Center accurately in the guide
- Cutting angle prevents the bit from wandering due to irregular guide wear
- Flutes are designed to enlarge bores quickly
- Manufactured to close tolerances of concentricity
- .429" shank