PN: 13181
UniBit #3
Irwin unibit self-starting step drills are excellent for producing clean, accurate, burr free holes. Unibits have cutting steps of progressively larger diameters, making it possible to drill different size holes using a single bit. Sizes are engraved on each "step" for easy reference. Made in USA.
- 9 Holes
- Range from 1/4" to 3/4"
- 1/16" increments
- 3/8" shank
