Ultra Bit Multi -Diameter 3-Flats on Shank Set
- Special Axial and Radial flute design speed work piece penetration
- Use for all thin metals, rigid plastics, wood or composite materials with a thickness equal to or less than the step thickness
- 135 Degree split point self centers and easily starts with no pilot hole required
- When drilling steel with 1/8-inch or greater thickness, a starter hole of the Smallest step diameter will speed the drilling process
- Made in the USA