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Irwin 3/16"-7/8" 12 Step Sizes Unibit Cobalt Step Drill

Irwin 10234CB
SKU IRW-10234CB
Irwin 3/16"-7/8" 12 Step Sizes Unibit Cobalt Step Drill

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Irwin's step bit is ideal for use with mild steel, copper, brass, aluminum, plastic, acrylic, wood and laminates. Its single flute cutting edge offers excellent control and round holes.

  • No. of Steps: 12.
  • Measurement Type: Fractional.
  • Material Thickness: 1/16 in [Max].
  • Cutting Edge Material: M35 Cobalt HSS.
  • Cutting Diam (Min/Max): 3/16 in [Min], 7/8 in [Max].

Similar Drill Bit Products

Irwin 10234CB Description

Irwin's step bit is ideal for use with mild steel, copper, brass, aluminum, plastic, acrylic, wood and laminates. Its single flute cutting edge offers excellent control and round holes.

  • No. of Steps: 12.
  • Measurement Type: Fractional.
  • Material Thickness: 1/16 in [Max].
  • Cutting Edge Material: M35 Cobalt HSS.
  • Cutting Diam (Min/Max): 3/16 in [Min], 7/8 in [Max].

Similar Drill Bit Products

$59.83Each
In Stock-

Ships between 02/26/2026 - 03/02/2026

ReturnThis item is non-returnable
Irwin
Visit The Irwin Store
See more Irwin Vise-Grip Step Drills

Product Specifications

Part Number10234CB, 585-10234CB
Weight0.24-lb
UPC038548099224

Shop Top 100 Tools & Hardware Products.

View other Drill Bit Best Sellers.

Manufacturer Description

3/16"-7/8" Unibit Cobalt Step Drill

  • 6X longer life. 3-Flatted shank. Speedpoint tip. Laser marked sizes
  • Cutting Diam: 3/16 in Min 7/8 in Max
  • Weight: 1.31 lb
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Irwin 3/16"-7/8" 12 Step Sizes Unibit Cobalt Step Drill
$59.83Each
In Stock-

Ships between 02/26/2026 - 03/02/2026

ReturnThis item is non-returnable

Similar Drill Bit Products

Irwin 10234CB Description

Irwin's step bit is ideal for use with mild steel, copper, brass, aluminum, plastic, acrylic, wood and laminates. Its single flute cutting edge offers excellent control and round holes.

  • No. of Steps: 12.
  • Measurement Type: Fractional.
  • Material Thickness: 1/16 in [Max].
  • Cutting Edge Material: M35 Cobalt HSS.
  • Cutting Diam (Min/Max): 3/16 in [Min], 7/8 in [Max].

Product Specifications

Irwin
Visit The Irwin Store
Part Number10234CB, 585-10234CB
Weight0.24-lb
UPC038548099224

Shop Top 100 Tools & Hardware Products.

View other Drill Bit Best Sellers.

Manufacturer Description

3/16"-7/8" Unibit Cobalt Step Drill

  • 6X longer life. 3-Flatted shank. Speedpoint tip. Laser marked sizes
  • Cutting Diam: 3/16 in Min 7/8 in Max
  • Weight: 1.31 lb
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

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