10220

Irwin Tools

Irwin® Unibit® 10220 Fractional Hole Enlarging Step Drill, #20, 9/16 in Min x 1 in Max Hole Dia, 8 Steps, 8 Hole, HSS

10220

Irwin Tools

Irwin® Unibit® 10220 Fractional Hole Enlarging Step Drill, #20, 9/16 in Min x 1 in Max Hole Dia, 8 Steps, 8 Hole, HSS

  • NCE Part No: 821988
  • MPN: 10220
  • UPC: 03854810220

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DESCRIPTION

Irwin® Unibit® Step Drill, Fractional Hole Enlarging, #20, 9/16 in Minimum Hole Dia, 1 in Maximum Hole Dia, 8 Steps, 1/8 in Step Depth, 8 Hole Sizes, 1 Flutes, 7/16 in Shank, Round with Flats Shank, SpeedPoint® Point, HSS Cutting Edge, HSS, Bright, Applicable Materials: Stainless Steel, Copper, Brass, Aluminum, Plastic and Laminates

FEATURES

  • Single flute cutting edge for greater control through steps
  • 3 Flatted shank prevents slipping in drill chuck
  • New SpeedPoint tip provides 6X faster initial penetration time than before and eliminates the need for center punching
  • General purpose
  • High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and non-ferrous materials
  • Bright provides a smooth, polished finish on the tool, increases chip flow in softer materials such as aluminum, wood and plastic
  • Round shanks with flats are ground flat on three sides for increased chuck grip, reducing slippage and help centering the drill in the chuck, used with portable drills and drill presses on ferrous and non-ferrous materials
  • Patented single flute cutting edge gives the user a true round hole every time
  • Pilot hole required

GUIDES & MANUALS

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