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IRWIN® Unibit® 1/4" Hex Shank Titanium Nitride Coated Step Drill Bit

Airgas Part #:VIS10232

Manufacturer Part #:10232

$30.86 /Each
Package Size Options
$154.30 Carton 5 Each / Carton
Enter multiples of 5 Each

Item Details

  • IRWIN® Unibit® Size 2 6 Hole 3/16" - 1/2" Self-Starting Step Drill Bit with 1/16" increments features single flute cutting edge for greater control through steps and new speed point tip that penetrates faster than previous unibits and prevents walking. 6 Steps drill bit with hex shank prevents slipping in drill chuck and has 3/8" maximum material thickness that is ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.


  • SpeedPoint® tip for fast start
  • Geometry of single-flute cutting edge drills true round holes and provides maximum step control
  • Single-flute cutting edge for greater control through steps
  • Hex shank prevents slipping in drill chuck
  • Also available with titanium nitride coating for longer life
  • New SpeedPoint tip penetrates faster than previous Unibits and prevents walking


  • Stainless steel
  • Copper
  • Brass
  • Aluminum
  • Plastic
  • Laminates

Product Attributes

Drill Type

» Step Drill Bit

Shank Size

» 1/4"

Shank Style

» Hex


» 1

Drill Material

» High Speed Steel

Drill Coating

» Titanium Nitride

Trade Name

» Unibit®