Irwin Unibit #4 12-Step Drill Bit - High Speed Steel - 3/16 to 7/8-in

Description

IRWIN Double-Flute Unibit® #4 Step Drill Bits are ideal for drilling holes into thin materials such as stainless steel or sheet metal and offer 2 times faster drilling versus a single-flute design. The dual-flute cutting edges helps to deliver clean holes and 12 defined steps allow for quick drilling of holes from 3/16-in to 7/8-in in diameter. 2X FASTER DRILLING SpeedPoint tip for fast starts DRILL THROUGH A VARIETY OF MATERIALS Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates VERSATILE DESIGN FOR PRECISE HOLES 12 defined steps allow for quick drilling of holes from 3/16-in to 7/8-in (4.8mm to 22.2mm) IMPACT PERFORMANCE SERIES Designed for use with an impact or standard drill Steps 3/16-in (4.8mm), 1/4-in (6.4mm), 5/16-in (7.9mm), 3/8-in (9.5mm), 7/16-in (11.1mm), 1/2-in (12.7mm), 9/16-in (14.3mm), 5/8-in (15.9mm), 11/16-in (17.5mm), 3/4-in (19.1mm), 13/16-in (20.6mm), and