• Home
  • Irwin Unibit 1/2" High Speed Steel Single Hole Step Bit


Image for Irwin Unibit 1/2
+ / - Hover over image to Zoom
Other Views

Irwin Unibit 1/2" High Speed Steel Single Hole Step Bit

Brand: Irwin Mfg#: 10310
Product#: 17310310
Based on Product Sourcing
Free UPS Ground Shipping on this Item!
Add to Cart

WARNING: Cancer and Reproductive Harm -  www.P65Warnings.ca.gov.

Please Login to receive Special Pricing
Not Registered? Create an Account


Unibit Fractional Single Hole Step Drill Bit, 0.5 in Diameter, NO 10 Wire, SpeedPoint Point, 1 Flute, 0.125 in, Hexagonal Shank, 0.25 in Shank, Self Starting Style, High Speed Steel Cutting Edge, Tin Coated


  • Single flute cutting edge for greater control through steps
  • Hex shank prevents slipping in drill chuck
  • Also available with (TiN) coating for longer life
  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
  • New speedpoint tip penetrates faster than previous Unibits and prevents walking


  • Brand: Irwin
  • Product Line: Unibit
  • Applicable Materials: Stainless Steel, Copper, Brass, Aluminum, Plastic and Laminates
  • Shank Type: Hexagonal
  • Diameter: 0.5 in
  • Cutting Edge Material: High Speed Steel
  • Shank Size: .25 in
  • Finish: Tin Coated
  • Number of Flutes: 1
  • Style: Self Starting
  • Point Type: SpeedPoint
  • Wire Size: NO 10
  • Prop65: WARNING: Cancer and Reproductive Harm -
  • Material Thickness: .125 in