PN: 13020
UniBit #4 New
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.
- 12 Holes
- Range from 3/16" to 7/8"
- 1/16" increments
- 3/8" shank
