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Irwin_Unibit_10220
Irwin® Unibit®

Irwin® Unibit® 10220 Hole Enlarging Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, 8 Hole Sizes, 7/16 in Shank

PET20
MFG #:10220
$ / EACH
Made in the USA.
Location at Selected Store: Aisle 7 Section 10
Irwin® Unibit®, 10220, Hole Enlarging Step Drill Bit, Imperial, #20 Letter/Wire, 9/16 in Diameter Minimum Hole, 1 in Diameter Maximum Hole, 8 Steps, 1/8 in Step Depth, 8 Hole, 1 Flutes, 8, 7/16 in Shank, 3-Flat Shank, SpeedPoint®, HSS Cutting Edge, Bright, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel
  • Single flute cutting edge for greater control through steps
  • 3 flatted shank prevents slipping in drill chuck
  • Patented single flute cutting edge gives the user a true round hole every time
  • 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
  • SpeedPoint® tip for fast starts
  • Hex shaped shank secures easily in drill
  • #1, #2, #10 and #12 sizes have a quick change shank