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Irwin 1/4" - 3/4" Unibit Titanium Nitride Coated Stepdrill

Irwin 15103ZR
SKU IRW-15103
Irwin 1/4" - 3/4" Unibit Titanium Nitride Coated Stepdrill

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Irwin 15103ZR Description

The titanium Nitride finish of this strep drill bit causes less friction which increases speed and increases product life by 6 times. Its single-fluted cutting edge assures true round holes, and allows greater control with less vibration.

  • Cutting Diameter: 1/4 in [Min], 3/4 in [Max].
  • Brand Name: Unibit.
  • Cutting Edge Material: HSS.
  • Finish: TiN.
  • Material Thickness: 3/8 in [Max].
  • Measurement Type: Fractional.
  • No. of Steps: 9.
  • Packing Type: Carded.
  • Shank Diameter: 3/8 in.
  • Tool Shape: Tree - Step Drill.
  • Type: Step Drill Bit.
$53.17Each
In Stock

Ships by 11/18/2026

Country of Origin

Made in the U.S.A.
This item is proudly made in the United States of America.

Product Specifications

Part Number15103ZR, 585-15103ZR
Country of OriginUSA
Weight2.41-lb
UPC038548151038
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

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