IRG 10220 9/16-1 STEP DRILL
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Manufacturer Irwin Tool
Mfg Catalog # 10220
North Coast Part # 821988


  • Single-flute cutting edge for greater control through steps
  • 3 flatted shank prevents slipping in drill chuck
  • Also available with titanium nitride coating for longer life
  • Patented single-flute cutting edge gives the user a true round hole every time
  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
  • Pilot hole required


  • Description: #20
  • Hole Sizes: 9/16" - 1"
  • Number of Holes: 8 steps
  • Maximum Material Thickness: 1/8"


UPC 03854810220
GTiN 00038548102207
Hole Size 9/16 in
Family Brand Name Irwin
Number of Steps 8
Size #20
Material High Speed Steel
Shank Size 1/2 in
Shank Type 3-Flat
Number of Flutes 1
Sub Brand Unibit

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