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Neiko - 43219-22909 10181A Quick Change HSS Titanium Coated Spiral Grooved Step Drill Bit 3-Piece Set | 31 Step Sizes in One Kit

4.4 4.4 out of 5 stars 3,490 ratings

$38.23
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Spiral
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Purchase options and add-ons

Material 1/4" Quick Change Hex
Finish type Titanium
Shank type Hex
Cutting angle string 135 Degrees
Brand Neiko

About this item

  • PREMIUM STEP BIT: Each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal.
  • STEP DRILL BIT FOR METAL: With a split point tip that accelerates cutting speed while preventing angled walking away from center line of bore, drilling holes in metal is fast, efficient, and clean.
  • SPIRAL DESIGN: The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. With 31 step sizes, each hole made with these step bits will be precise.
  • QUICK-CHANGE: The 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools.
  • INCLUDES: Each bit set comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch) 6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch).

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From the manufacturer

drill bit step wood metal hole drilling hex shank high speed HSS steel
drill bit step wood metal hole drilling hex shank high speed HSS steel

Drilling Essential

High Speed Steel Versatility

Our step drill bits are constructed from traditional HSS combined with a titanium nitride coating to make them even more durable. This also proves the capability and durability of the drill to last through multiple drillings on surfaces such as: plastic, aluminum, copper, stainless steel, and so much more.

Unique 2 Flute Spiral Design

Two flute spiral design also lets the material particles escape easily for a much more clean drilling operation. With each step, you can feel the drill bit stop so you never drill bigger than you need to.

Bit Sizes

  • 13 step drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch)
  • 6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch)
  • 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)

Product Highlights

drill bit step wood metal hole drilling hex shank high speed HSS steel

drill bit step wood metal hole drilling hex shank high speed HSS steel

drill bit step wood metal hole drilling hex shank high speed HSS steel

Universal Design

The t1/4" hex shank is a great universal fit that will give you confidence while you work knowing that your drill bit is securely in place.

Engraved Sizes

Easily identify which size you need with the contrasted, laser engraved sizes inside the step drill bit flute.

Increased Cutting Speed

The split point tip is at 135 degrees which allows you to cut faster throughout multiple uses. This also ensures that you get sharp cutting on a wide variety of materials.

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
3,490 global ratings

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Top review from Australia

Reviewed in Australia on 17 July 2023
Size Name: SpiralVerified Purchase
to small. i guest max 18mm .

Top reviews from other countries

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J. Evans
5.0 out of 5 stars First use
Reviewed in the United States on 6 May 2024
Size Name: SpiralVerified Purchase
This is the first time I have had something like this, so take it as a grain of salt… that said, it’s savory. This worked great for drilling through the trunk of my car to reinforce the factory spoiler which was threatening to come off. Worked well and was able to try various sizes until I got the toggle bolt through.
Monica
5.0 out of 5 stars Lo recomiendo
Reviewed in Mexico on 17 November 2023
Size Name: SpiralVerified Purchase
Fue in regalo para mi papá, pero esta encantado ya que se puede usar en metal no hace ruido y es muy rápido.
Jose A.
5.0 out of 5 stars Alternativa a las marcas Premium
Reviewed in Mexico on 9 April 2023
Size Name: SpiralVerified Purchase
Excelente por el precio , lo utilice en placa de 1/8" y perforo sin problema , recomemiendo utilizar aceite para mantener el filo y larga vida. La forma helicoidal del filo supera las brocas escalonadas de filo recto esto extiende la vida util de Neiko.
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Jose A.
5.0 out of 5 stars Alternativa a las marcas Premium
Reviewed in Mexico on 9 April 2023
Excelente por el precio , lo utilice en placa de 1/8" y perforo sin problema , recomemiendo utilizar aceite para mantener el filo y larga vida. La forma helicoidal del filo supera las brocas escalonadas de filo recto esto extiende la vida util de Neiko.
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Amazon Customer
5.0 out of 5 stars Use a good impact gun
Reviewed in Canada on 15 November 2023
Size Name: SpiralVerified Purchase
Drills easily through almost every type of metal and wood
Y. Lee
4.0 out of 5 stars Good value but may not be suitable for steel
Reviewed in Canada on 25 October 2023
Size Name: SpiralVerified Purchase
Wasnt able to drill through broken steel bolt unfortunately.