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    Irwin |

    Irwin 10220CB - Unibit 1/16" Hole Enlarging 8-Steps Cobalt Alloy Steel Step Drill Bit

    • SKU: IRW10220CB
    • UPC: 38548099248
    $76.99
    Weight:
    0.27 LBS
    Availability:
    Special Order: Usually Ships in 2 Weeks
    Shipping:
    Calculated at Checkout
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    Product Description

    Step Drill Bit, Material Cobalt, Steam Oxide Finish, Number of Hole Sizes 8, Shank Size 7/16 In., Step Thickness 1/8 In., Size Range 9/16 In. to 1 In., Sizes Included 9/16 In., 5/8 In., 11/16 In., 3/4 In., 13/16 In., 7/8 In., 15/16 In., 1 In., Number of Flutes 1, Shank Type Hex, Bit Length 3 In.

    Features:

    • 6X Longer life vs. the competition
    • M35 grade Cobalt Alloy Steel HSS
    • Radial concave flute
    • Speedpoint tip