Cobalt Step Drill 39 7/8"&1-1/8" 2 Steps
For 1/2" and 3/4" Knock-Out, 7/16" Hex Shank
Item #: IRW 10239CB
Irwin Unibit® Cobalt HSS Step Drills
Geometry of single-flute cutting edge drills true, round holes and provides maximum step control. Laser-etched sizes inside flute for easy and permanent hole size identification. Use on Stainless Steel or other tough materials.
- SpeedPoint® tip for fast starts(except #1,#20)
- M35 Cobalt steel for maximum life when drilling in tough steel
Geometry of single-flute cutting edge drills true, round holes and provides maximum step control. Laser-etched sizes inside flute for easy and permanent hole size identification. Use on Stainless Steel or other tough materials.
Item Specifications
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Unibit
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7/16"
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2
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#9