Home / Irwin 15502 Unibit Titanium Nitride Coated Step Drill Bit 3-Piece Set: 1/4" to 3/4", 1/8" to 1/2", 3/16" to 1/2"

Irwin 15502 Unibit Titanium Nitride Coated Step Drill Bit 3-Piece Set: 1/4" to 3/4", 1/8" to 1/2", 3/16" to 1/2"

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    Irwin 15502 Description

    Step Drill Bit, Material HSS, Titanium Nitride Coating, Number of Hole Sizes 12, Shank Size 3/8 In., Step Thickness 1/16 In., Size Range 3/16 In. to 7/8 In., Sizes Included 3/16 In., 1/4 In., 5/16 In., 3/8 In., 7/16 In., 1/2 In., 9/16 In., 5/8 In., 11/16 In., 3/4 In., 13/16 In., 7/8 In., Number of Flutes 1, Shank Type Hex, Bit Length 3-1/4 In.

    Irwin 15502 Includes

    • (1) 1/4" to 3/4" Step Drill Bit
    • (1) 1/8" to 1/2" Step Drill Bit
    • (1) 3/16" to 1/2" Step Drill Bit

    Irwin 15502 Features

    • Irwin step drill bit creates holes in thin materials including copper, steel, brass, plastic, aluminum and laminates
    • 12 different hole sizes aid with completing various types of drilling tasks
    • Hole sizes range from 3/16 inches to 7/8 inches in 1/16 inch increments
    • Coating is made from Titanium Nitride Coating to extend lifespan of cutting edge
    • Cutting edge of Titanium Nitride Coating drill bit is single-fluted for easier control and rounder holes
    • SpeedPoint tip facilitates easier and quicker penetration
    • Tool includes a limited lifetime warranty
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