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NEIKO 10197A Step Drill Bit Set, 5 Pc Step Bit for Metal, 50 SAE Sizes Total, 1/8” – 1-3/8”, SAE Titanium High Speed Steel Unibit, Stepper Cone Drill Bit, Two Flute Step Down Bits, Step Up Drill Bits

4.4 4.4 out of 5 stars 22,159 ratings
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Amazon's Choice in Step Drill Bits by NEIKO

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Straight
Tri-Flat Shank
1/8 to 1-3/8", 5 bits

Purchase options and add-ons

Material Tri-Flat Shank
Finish Type Titanium
Shank Type 3-Flat
Cutting Angle String 135 Degrees
Brand NEIKO

About this item

  • HSS STEP BIT: Classic step drill bit set constructed of high-speed steel for drilling holes in plastic, aluminum, copper, stainless steel, and many other types of sheet metal. Also doubles as a hole expander.
  • TWO FLUTE & TRI SHANK: Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for clean cut holes. Each step drill bit features a tri-flatted shank for a secure fit into power tool chucks, eliminating slip.
  • MULTIPLE HOLE DRILL BIT: This versatile unibit step drill bit cone bit can replace 50 individual drill bits for metal with just 5 pieces in one box. Drill a range of different sizes and holes with a single bit without needing to change between bits.
  • STEP DRILL BIT SET INCLUDES: Four multipurpose metal dill bit in 1/4-inch shank and 3/8-inch shank and a red blow mold carrying case for easy convenience and storage in your car, garage or shop.
  • 50 SIZES IN 1: 5 stepper bits included. 1 x 6 step bit (1/4” shank; 3/16” - 1/2”), 1 x 13 step bit (1/4” shank; 1/8” – 1/2"), 1 x 9 step bit (3/8” shank; 1/4" to 3/4"), 1 x 10 step bit (3/8” shank; 1/4” – 1-3/8”), and 1 x 12 step bit (3/8” shank; 3/16” – 7/8”).

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 7.95 x 4.72 x 1.57 inches; 1.14 Pounds
  • Item model number ‏ : ‎ 10197A
  • Date First Available ‏ : ‎ July 9, 2009
  • Manufacturer ‏ : ‎ Neiko
  • ASIN ‏ : ‎ B002GQ5AKG
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.4 4.4 out of 5 stars 22,159 ratings

Product Description

The NEIKO 10197A Step Up Drill Bit set is your all in one drill bit set, drill a range of different sizes with a single bit. Looking to expand holes or drill into metal, this drillbit in the shape of a cone has multiple sizes in one. Conical shaped bit that allows you to drill a variety of hole sizes without needing to change between bits. The tip of the drill bit drills the smallest hole and as you step or drill further down the diameter increases as you drill.

1/4" Shank:

3/16" to 1/2", 6 steps (3/16, 1/4, 5/16, 3/8, 7/16, 1/2")

1/8" to 1/2", 13 steps (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")

3/8" Shank:

1/4" to 3/4", 9 steps (1/4, 5/16, 3/8, 7/16, 1/2", 9/16, 5/8, 11/16, 3/4")

1/4" to 1-3/8", 10 steps (1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8")

3/16" to 7/8", 12 steps (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8")


From the brand


From the manufacturer

step drill bit set
step drill bit set

A Tool Box Necessity

High Speed Steel Durability

Our step drill bits are constructed from traditional HSS combined with a titanium 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 Design

Two flute 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.

Stay Organized

Includes a sturdy blow molded case to store your drill bits when they are not in use and makes transport simple and easy.

Step Sizes:

  • Bit #1: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8”
  • Bit #2: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"
  • Bit #3: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
  • Bit #4: 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"
  • Bit #5: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"

Product Highlights

universal shank

engraved size step drill bit

split point step drill bit

Universal Shank Design

The tri-flatted 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 and the two flute design also lets the material particles escape easily for a much more clean drilling operation.

What's in the box

  • Titanium Step Drill Bit Set
  • Looking for specific info?

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    22,159 global ratings

    Customers say

    Customers like the value and ease of use of the drill bit. For example, they mention it's a lot cheaper than most quality lubricants, and makes things easier. They're also satisfied with performance, and sharpness. That said, opinions are mixed on quality, hole quality, appearance, and material.

    AI-generated from the text of customer reviews

    1,567 customers mention1,412 positive155 negative

    Customers are satisfied with the performance of the bit. They mention that it works well for creating a 1" hole in an 1/8 inch thick steel, and it's sharp and true to size. It's also easy to use and works well on all materials, including wood, plastics, and sheet metal. Customers also say that it'll be a handy tool to have in your toolbox.

    "Great price, seems well made, easy to use, and works as it should...." Read more

    "Work perfectly and in so many applications - well made product." Read more

    "...step sizes ranging from 1/4 inch to 1 3/8 inches, it covers a wide range of hole diameters, making it incredibly versatile...." Read more

    "...The drill work is quick and effortless now. Works just fine for such an inexpensive bit compared to the Milwaukee ones you see for $45...." Read more

    847 customers mention706 positive141 negative

    Customers like the value of the tools. They say it's a lot cheaper than most quality lubricants, and well worth the price. Customers also mention that the steel is very strong for the price

    "Great price, seems well made, easy to use, and works as it should...." Read more

    "...Works just fine for such an inexpensive bit compared to the Milwaukee ones you see for $45. I can buy 4 spares and it would still be cheaper...." Read more

    "Great price and they get the job done." Read more

    "...They can ham a little bit but really especially for the price" Read more

    501 customers mention362 positive139 negative

    Customers like the sharpness of the reamer. For example, they say it's durable, the bits are surprisingly sharp, and it cuts very cleanly. Some mention that it doesn't leave jagged edges or tear apart the plexi. Overall, most are satisfied with the sharp quality of the product.

    "...only enhances its durability but also ensures smooth and clean cuts through wood and metal...." Read more

    "This thing is the cats A$$..... So easy to cut any size hole in thin metal...." Read more

    "3 out of 4 are dull and no longer cut punch still works good not sure if I just got a bad batch" Read more

    "Cuts quick and so far staying sharp. Waited to review until after I've used it a few times...." Read more

    226 customers mention181 positive45 negative

    Customers find the use of the step drill bit to be easy. They say it cleans out most of the shavings and leaves a smooth finish. Some mention that it makes things easier and less complicated by not making things complicated. Overall, customers are satisfied with the ease of use and recommend it to others.

    "Great price, seems well made, easy to use, and works as it should...." Read more

    "...I've noticed that it reduces friction, which means less effort is required when drilling, making my work more efficient...." Read more

    "...Oh my, what a difference! The drill work is quick and effortless now...." Read more

    "Easy to use and really a good bit. I used to drill holes in my golf cart windshield and was very happy with the bit's performance...." Read more

    865 customers mention528 positive337 negative

    Customers are mixed about the quality of the tools. Some mention that it holds up pretty darn good, while others say that it didn't last long. The high-speed alloy-steel construction ensures durability. However, some customers like the price, while other say that the tip of the smallest bit broke off and the case is poor quality.

    "Great price, seems well made, easy to use, and works as it should...." Read more

    "...you're working with 1/8 inch steel or thicker, these things will try to break your arm...." Read more

    "Work perfectly and in so many applications - well made product." Read more

    "...What sets it apart from other step drill bits is its high-speed alloy-steel construction, which ensures durability and longevity...." Read more

    217 customers mention98 positive119 negative

    Customers are mixed about the appearance of the tools. Some mention that the bits look pristine, the case is super fancy, and they still look and feel brand new. However, others say that the bit became dull very quickly and drifted.

    "...I only used the smallest bit to test out, and it was not pleasant. There's no way I'd use one of the wider bits with the metal I'm drilling...." Read more

    "...panels with a cordless and there is not a scratch on the bit, it looks pristine. I have also seen how the uni-bits wear down on one level over time...." Read more

    "...Try to run fast or not push hard on the drill and they tend to start dulling. Ordering more now!" Read more

    "...already using both bits for a few hours a day and they still look and feel brand new." Read more

    211 customers mention130 positive81 negative

    Customers are mixed about the hole quality of the tool. Some mention that it cut away the metal and resulted in very nicely cut holes, while others say that it's designed to create clean and uniform holes that are crucial for a professional finish. Some customers also say that the holes are really clean and smooth, while other customers say that they left some burs on the back edge.

    "...It's designed to create clean and uniform holes, which is crucial for a professional finish...." Read more

    "...They couldn't even start a hole, so I had to use regular drill bits to start the hole, using several bits with increasing diameters until I got to..." Read more

    "...Works great for adding holes to electrical panels and enlarging holes for boxes." Read more

    "...than a normal drill bit ,cleans out most the shavings and leaves a clean opening !" Read more

    142 customers mention63 positive79 negative

    Customers are mixed about the material of the drill bit. Some mention it's excellent for softer metals, such as aluminum. They say it drills thin aluminum perfectly, while others say it'll not work on stainless steel.

    "...Not good for stainless steel but neither is the greenlee...." Read more

    "...I wouldn't recommend it for that type usage. Aluminum is fine, I have cut plenty of aluminum with it...." Read more

    "...bits in the set I received had poorly formed pilots which did not drill well in testing on PVC and steel electric boxes...." Read more

    "Drilled thin and thick steel. Cut right through. I do use a cutting fluid for all drilling, helps the bits last longer...." Read more

    15 holes in 1/4" steel and still perfect :-)
    5 Stars
    15 holes in 1/4" steel and still perfect :-)
    I needed to drill 50 holes in 1/4" angle Iron. I paid a local guy $150 to do it last time. Figured I'd give it a shot with this $10 bit and a drill press I bought used for $50. Full Disclosure ~ I DID drill a 3/16" pilot hole first, used Tap Magic cutting fluid and took my time and didn't overheat the bit. I've only done 15 holes but I don't notice any difference in the drilling as of yet. The picture of the hole is the 15th hole and the shavings it's producing. As far as I'm concerned it's already paid for itself. If I get another 35 holes to finish the job then this thing is golden. Great first experience with a step bit and drilling Angle Iron!3/6/23. UPDATE Finished al 50 holes and still perfect. Again, I used Tap Magic cutting fluid, about 4 drops per hole (drop, drill a bit, drop, drill a bit, etc.) and didn't overheat the bit. I didn't expect it to work so well.
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    Top reviews from the United States

    Reviewed in the United States on January 19, 2024
    Size: SpiralStyle: 1/4" Quick Change HexPattern Name: 1/4 to 1-3/8"Verified Purchase
    One person found this helpful
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    Reviewed in the United States on March 19, 2024
    Size: StraightStyle: Tri-Flat ShankPattern Name: 1/8 to 3/4"Verified Purchase
    Reviewed in the United States on January 2, 2024
    Size: StraightStyle: Tri-Flat ShankPattern Name: 1/4 to 1-3/8"Verified Purchase
    4 people found this helpful
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    Reviewed in the United States on December 31, 2023
    Size: StraightStyle: Tri-Flat ShankPattern Name: 3/16 to 7/8"Verified Purchase
    One person found this helpful
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    Reviewed in the United States on March 4, 2024
    Size: SpiralStyle: 1/4" Quick Change HexPattern Name: 1/8 to 7/8", 3 bitsVerified Purchase
    Reviewed in the United States on March 12, 2024
    Size: SpiralStyle: 1/4" Quick Change HexPattern Name: 1/8 to 7/8", 3 bitsVerified Purchase
    Reviewed in the United States on March 7, 2024
    Size: SpiralStyle: 1/4" Quick Change HexPattern Name: 1/8 to 1-3/8", 5 bitsVerified Purchase
    3 people found this helpful
    Report
    Reviewed in the United States on March 10, 2024
    Size: StraightStyle: Tri-Flat ShankPattern Name: 7/16 to 1-1/8"Verified Purchase

    Top reviews from other countries

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    Gamerkilkaz
    5.0 out of 5 stars Buena relacion precio/desempeño
    Reviewed in Mexico on January 2, 2024
    Size: StraightStyle: Tri-Flat ShankPattern Name: 1/8 to 3/4"Verified Purchase
    One person found this helpful
    Report
    Denis Pereira Soares Oliveira
    5.0 out of 5 stars Broca muito boa
    Reviewed in Brazil on December 27, 2023
    Size: StraightStyle: Tri-Flat ShankPattern Name: 1/4 to 1-3/8"Verified Purchase
    Monica
    5.0 out of 5 stars Lo recomiendo
    Reviewed in Mexico on November 17, 2023
    Size: SpiralStyle: 1/4" Quick Change HexPattern Name: 1/8 to 7/8", 3 bitsVerified Purchase
    Mario
    5.0 out of 5 stars Excelente!
    Reviewed in Mexico on June 19, 2023
    Size: SpiralStyle: 1/4" Quick Change HexPattern Name: 1/4 to 1-3/8"Verified Purchase
    Agustín Nájera Santillana
    5.0 out of 5 stars Efectivas
    Reviewed in Mexico on February 13, 2023
    Size: StraightStyle: Tri-Flat ShankPattern Name: 1/8 to 1-3/8", 5 bitsVerified Purchase