Home / Irwin / Irwin 15103ZR Unibit Step Drill Bit #3T: 1/4" to 3/4" Titanium Nitride Coated

Irwin 15103ZR Unibit Step Drill Bit #3T: 1/4" to 3/4" Titanium Nitride Coated

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    Irwin 15103ZR Description

    Built with an innovative SPEEDPOINT tip for clean starts, the UNIBIT #3 1/4 in.–3/4 in. Titanium Nitride Coating HSS Step Drill Bit is designed for today’s tradesman. The Titanium Nitride Coating withstands heat and friction, and the single-flute cutting edge powers through thin metals, plastic, wood, and more. You can drill up to 9 sizes on one bit. The 3/8 in. hex-shaped shank secures easily in drill.

    Irwin 15103ZR Includes

    • (1) 1/4" to 3/4" Step Drill Bit

    Irwin 15103ZR Features

    • VERSATILE USE: High-speed steel for drilling thin metals, plastic, wood, and laminates
    • FAST STARTS: SPEEDPOINT tip penetrates quickly without walking
    • BUILT TO LAST: Titanium Nitride Coating resists heat and friction, adding to bit life
    • PRECISION CONTROL: Single-flute cutting edge makes true round holes
    • SAVE TIME with 9 sizes on 1 drill bit, each acts as a pilot for the next size up
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