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

10220 MFG #: 10220
$99.75 / EA
Non-Stock Item
Irwin® Unibit® 10220 Hole Enlarging Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, HSS, 8 Hole Sizes, 7/16 in Shank
  • CustomerPartNumber: 100078, 152969
  • Request For Quote: No
  • Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel
  • Brand: Irwin® Unibit®
  • Cutting Edge Material: HSS
  • Drill Dia Measurement System: Imperial
  • Drill Diameter Measurement System: Imperial
  • Finish: Bright
  • Letter/Wire Size: #20
  • Manufacturer: Stanley Black & Decker
  • Material: HSS
  • Maximum Hole Diameter: 1
  • Minimum Hole Diameter: 9/16
  • Number of Flutes: 1
  • Number of Hole Sizes: 8
  • Number of Steps: 8
  • Point Type: SpeedPoint®
  • Shank Size: 7/16
  • Shank Type: 3-Flat
  • Step Depth: 1/8
  • Type: Hole Enlarging
Irwin® Unibit® Step Drill Bit, Hole Enlarging, 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, 7/16 in Shank, 3-Flat Shank, SpeedPoint® Point, HSS Cutting Edge, HSS, Bright, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel
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  • 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
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