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Irwin® Unibit® 10220CB Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, M35 HSS-Co 5, 8 Hole Sizes, 7/16 in Shank
Stanley

Irwin® Unibit® 10220CB Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, M35 HSS-Co 5, 8 Hole Sizes, 7/16 in Shank

20 8 hole size 9/16-1 1/16 increment

Stellar Part #UNIBI 10220CB

MFG Part #10220CB

MFG Name:Stanley Black & Decker

Product Description:

Irwin® Unibit® Step Drill Bit, Imperial, #20 Letter/Wire, 9/16 in Diameter Minimum Hole, 1 in Diameter Maximum Hole, 3-1/2 in Overall Length, 8 Steps, 1/16 in Step Depth, 8 Hole, 1 Flutes, 1 in, 11/16 in, 13/16 in, 15/16 in, 3/4 in, 5/8 in, 7/8 in, 9/16 in, Radial Concave Flute, 7/16 in Shank, Hex Shank, SpeedPoint® Point, M35 Cobalt HSS Cutting Edge, M35 HSS-Co 5, Bright/Steam Oxide, Applicable Materials: Steel and Stainless Steel
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  • 6X longer life
  • Laser etched sizes inside flute for easy and permanent hole size identification
  • Engineered with 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 marked size
  • SpeedPoint® tip for fast starts