Cobalt Step Drill #1 1/8"-1/2" 13 Steps
1/32' Steps, 1/4" Hex Shank
Item #: IRW 10231CB
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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1/4"
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13
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#1