IRWIN Unibit #9 7/8"-1 1/8" Step-Drill Bit, 1/2" Shank (10239)
$24.99
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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. 2 Defined and marked steps allows for quick drilling of 7/8-in and 1-1/8-in in diameter (22mm to 29mm). REDUCED SLIPPING 3 flat hex shank design helps to prevent slipping in drill chuck. 2X FASTER DRILLING Average of first 10 holes vs. single-flute IRWIN Unibit #9 10239 in 1008 Steel.
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