CRL UnibitĀ® 3/16" to 1/2" Step Drill
- Perfectly Round Holes in Thin Materials
- Drill Up to 13 Diameters with Just One Drill
The CRL Unibit Step Drill uses a unique, single flute design to drill perfectly round holes in materials up to 1/8" (3.2 mm) thick. Cutting steps of progressively larger diameters make it possible to drill up to 13 different hole sizes with a single bit. Also, the hole is automatically deburred by the cutting edge of the next size up.