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.

CRL Unibit® 3/16" to 1/2" Step Drill

Other Products/Finishes:

CATALOGUE NUMBER	DESCRIPTION
UB1	CRL Unibit® 1/8" to 1/2" Step Drill
UB2	CRL Unibit® 3/16" to 1/2" Step Drill
UB3	CRL Unibit® 1/4" to 3/4" Step Drill
UB123	CRL Unibit® Step Drill 3 Piece Set

More Details:

Catalogue Number:

UB2

Also Available in These Catalogues:

CRL73R Tools, Machinery, and Equipment, PAGE 489K

CRL43 Auto Glass Tools and Hardware, PAGE A371

GG2014A European Glass & Glazing, PAGE TE119

Steps:

Diameters:

3/16" to 1/2" (4.8 to 12.7 mm)

Ship Via:

Can Ship UPS

Shipping Weight:

8 oz (227g)

Additional Product Information:

Hole starting is easy because it won't skid across the surface, even without center punching. Designed for use with steel, copper, brass, aluminum, and other thin metals, it can also be used on plastics without chipping or clogging.

Important Notes:

Most shipping weights are approximate and have not been verified. If the exact weight is needed in order to determine shipping costs, and shipping costs are required in order for you to complete your order, please request this prior to submitting your order by contacting CRL Customer Service. Product images shown are of the actual product or a close representation. Colors can vary depending on your computer's video card and on how your monitor's color is adjusted.