- .426″ Pilot
- .485″ shank
- 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
CNC machined to .0003″ T.I.R. or less