Home / Irwin / Irwin 10234CBSM 3/16" - 7/8" #4 Step Drill Bit

Irwin 10234CBSM 3/16" - 7/8" #4 Step Drill Bit

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    Irwin 10234CBSM Description

    This unibit cobalt step drill bit is made of high speed steel. This step drill bit will last longer in the toughest of materials.

    Irwin 10234CBSM Includes

    • (1) 3/16" - 7/8" #4 Step Drill Bit

    Irwin 10234CBSM Features

    • 12 hole sizes
    • M35 grade cobalt HSS
    • High heat and abrasion resistance
    • Longest cutting edge life
    • Single-fluted cutting edge for greater control and rounder holes
    • Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood and laminates
    • 3-flatted shank won't slip in chuck
    • SpeedPoint tip for fast starting
    • Laser marked sizes won't wear off with use

    Irwin 10234CBSM Specifications

    Bit Type Step
    Length 2.9375
    Drilling Depth (in) 2"
    Minimum Chuck Size Required 1/4"
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