CRL Unibit® 1/8" to 1/2" Step Drill Bit Squares Templates & Straight Edges Excellent resistance to ultraviolet light

Excellent resistance to ultraviolet light

and routing glass

The 1/2" x 18" (13 x 457 mm) size fit Cat

KIT CONTAINS: A Hammer Drill plus depth rod: Side handle and chuck key all in a heavy-duty plastic case

Adjustment Screw to Set for Correct Glass Thickness

CRL Unibit® 1/8" to 1/2" Step Drill Bit Squares Templates & Straight Edges Excellent resistance to ultraviolet lightPerfectly Round Holes in Thin Materials Drill Up to 13 Diameters with Just One Drill Number of Steps : 13 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