Features:
- Self starting points start on contact
- Balanced double flute design eliminates chatter and vibration
- Ideal for electrical, plumbing and HVAC contractors, all common drilling needs
- Diameter - 1/8" to1/2"
- 1/32" increments
- Step depth 1/8"
- Number of Hole Sizes - 13
- 1/4" Shank Diameter
- Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM