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Step Drill Bits Step Drill Bits
Twist Drill Bits Twist Drill Bits
  • irwin-high-speed-steel-fractional-self-starting-num-585-10310_1
    IRWIN®

    IRWIN® High Speed Steel Fractional Self-Starting, 1/2 in, 1 Step (585-10310)

    New SpeedPoint™ tip provides 6X faster initial penetration time than before, and eliminates the need for center punching....
    $24.90
    $24.90
    / Each
  • irwin-high-speed-steel-fractional-self-starting-num-585-10239_1
    IRWIN®

    IRWIN® High Speed Steel Fractional Self-Starting, 7/8 in to 1-1/8 in, 2 Steps (585-10239)

    New SpeedPoint™ tip provides 6X faster initial penetration time than before, and eliminates the need for center punching....
    $73.36
    $73.36
    / Each
  • irwin-high-speed-steel-fractional-self-starting-num-585-10231_1
    IRWIN®

    IRWIN® High Speed Steel Fractional Self-Starting, 1/8 in to 1/2 in, 13 Steps (585-10231)

    New SpeedPoint? tip provides 6X faster initial penetration time than before, and eliminates the need for center punchingSingle-fluted...
    $23.70
    $23.70
    / Each
  • irwin-high-speed-steel-fractional-self-starting-num-585-10313_1
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    IRWIN®

    IRWIN® High Speed Steel Fractional Self-Starting, 1 1/8 in, 1 Step (585-10313)

    New SpeedPoint™ tip provides 6X faster initial penetration time than before, and eliminates the need for center punching....
    $66.23
    $66.23
    / Each
  • irwin-high-speed-steel-fractional-self-starting-num-585-10312_1
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    IRWIN®

    IRWIN® High Speed Steel Fractional Self-Starting, 3/8 in (585-10312)

    New SpeedPoint? tip provides 6X faster initial penetration time than before, and eliminates the need for center punchingSingle-fluted...
    $20.05
    $20.05
    / Each
  • irwin-cobalt-step-drills-num-585-10233cb_1
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    IRWIN®

    IRWIN® Cobalt Step Drills, 1/4 in-3/4 in, 9 Steps (585-10233CB)

    6X longer life3-Flatted shankSpeedpoint? tipLaser marked sizes Cutting Diameter = 1/4 in [Min], 3/4 in [Max] Cutting Edge...
    $58.79
    $58.79
    / Each
  • irwin-cobalt-step-drills-num-585-10231cb_1
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    IRWIN®

    IRWIN® Cobalt Step Drills, 1/8 in-1/2 in, 13 Steps (585-10231CB)

    6X longer life3-Flatted shankSpeedpoint? tipLaser marked sizes Cutting Diameter = 1/8 in [Min], 1/2 in [Max] Cutting Edge...
    $32.60
    $32.60
    / Each
  • irwin-high-speed-steel-fractional-hole-enlarging-num-585-10220_1
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    IRWIN®

    IRWIN® High Speed Steel Fractional Hole Enlarging, 9/16 in to 1 in, 8 Steps (585-10220)

    Get it all done with one when you choose Unibit® stairstep bits. Single-flute cutting edge provides precise depth...
    $48.87
    $48.87
    / Each

Step Drill Bits