CRL Unibit® 3/16" to 1/2" Step Drill Bit Discs Pads & Sticks 4 mm) shank fits perfectly

4 mm) shank fits perfectly in our router systems and others that have matching fractional collets

CRL Metal Tube Drills are designed for use in our CRL Tripod Drill or similar type drill machine

Volume: 70 dBa at 36" (914 mm)

Bonds to Rubber

kitchen sinks

CRL Unibit® 3/16" to 1/2" Step Drill Bit Discs Pads & Sticks 4 mm) shank fits perfectlyPerfectly Round Holes in Thin Materials Drill Up to 13 Diameters with Just One Drill Number of Steps : 6 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. Hole