• Details

IRWIN 15104

#4T Titanium Nitride Coated Unibit

Description:

  • Step Drill Bit
  • Type Fractional, Self-Starting
  • Minimum Drill Size 3/16 Inch
  • Maximum Drill Size 7/8 Inch
  • Step Increment 1/16 Inch
  • Number of Sizes 12
  • Shank Type Hex, 3-Flatted
  • Shank Size 3/8 Inch
  • Material High Speed Steel
  • Finish Titanium Nitride Coated
  • Nominal Size #4T
  • Maximum Material Thickness 1/8 Inch
  • Number of Flutes 1

Features / Benefits

  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
  • Single-flute cutting edge for greater control through steps
  • 3 flatted shank prevents slipping in drill chuck
  • New Speed Point tip penetrates faster than previous Unibits and prevents walking

Specifications

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