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Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes

4.5 out of 5 stars 477 customer reviews
| 26 answered questions

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3-Piece Set
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  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
  • 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
  • SET INCLUDES: Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #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"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
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Frequently Bought Together

  • Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes
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  • TEKTON 6580 Automatic Center Punch
Total price: $16.22
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Style: 3-Piece Set | Size: Combined Sizes
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Product Description

Style: 3-Piece Set | Size: Combined Sizes

This compact set replaces 28 individual drill bits. 3pc Step Drill Bits. 1/8"- 1/2", 3/16"- 1/2", 1/4"- 3/4". Two-flute design for faster, smoother cutting. Package comes with one 3/16-inch to 1/2-inch six-step bit, titanium coated. One 1/4-inch to 3/4-inch nine-step bit, titanium coated.

Product Information

Style:3-Piece Set  |  Size:Combined Sizes

Technical Details

Part Number 10193A
Item Weight 4 ounces
Product Dimensions 6 x 4 x 1 inches
Item model number 10193A
Size Combined Sizes
Style 3-Piece Set
Material High Speed Steel
Item Package Quantity 1
Cutting Diameter 0.125 inches;0.5 inches
Measurement System Inch
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B001OEPYWK
Customer Reviews
4.5 out of 5 stars 477 customer reviews

4.5 out of 5 stars
Best Sellers Rank #1,749 in Home Improvements (See top 100)
#1 in Home Improvement > Power & Hand Tools > Power Tool Parts & Accessories > Power Drill Parts & Accessories > Drill Bits > Countersink Drill Bits
Shipping Weight 4.2 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available May 19, 2007

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Robert T. Donahue on June 7, 2007
Style Name: 3-Piece SetSize: Combined Sizes Verified Purchase
I am impressed with the quality of these drill bits. Unlike other bits I have used, these have a double flute design and a heavy duty shank for stability. This makes drilling holes with this design bit more precise with smoother cutting.
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Style Name: 3-Piece SetSize: Combined Sizes
Since I've gotten these I've used them to punch holes through sheet metal, angle aluminum, plexiglas sheet, and drill out a few old locks. These did much better than normal twist drills. Use some kind of cutting oil (or WD40) when drilling though thick/hard metals to help the bit cut and lengthen its life.
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Style Name: 3-Piece SetSize: Combined Sizes Verified Purchase
Note that the largest step bit size in this collection is 3/4" - but don't let that stop you from adding this cheap and effective set to your toolbox. I bought an expensive silver and deming bit set for enlarging holes, which still have their uses at times, but this set is far more effective when going through sheet metal or even plate (I drilled holes in 3/16" and 1/4" mild steel with these bits). They are effective cutters and very efficient. The long / multiple step bit is my most frequently used one as it goes from 1/8" to 1/2", stepping up at a reasonable speed. I'd still drill a pilot hole if going into thicker material though.

Highly recommended!
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Style Name: 3-Piece SetSize: Combined Sizes Verified Purchase
I have found this titanium step drill set to be very useful when making holes in automotive applications. I have successfully been able to drill into everything from plastic to sheet metal with no issues. Recently, I used one of these bits to drill a hole into my dash board by my steering wheel in order to mount a SDST switch for a set of LEDs I was going to be mounting on my vehicle.

A great titanium step drill set for the money
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Style Name: 3-Piece SetSize: Combined Sizes Verified Purchase
A simple solution to changing bits, they do wear rapidly on hard materials, but a good product.
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Style Name: 3-Piece SetSize: Combined Sizes Verified Purchase
Works well, great price, extremely convenient tool to have around. I used it to install a BBQ thermometer into the lid of my Weber charcoal grill. Perfect hole and no chipping of the paint. A+
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Style Name: 3-Piece SetSize: Combined Sizes Verified Purchase
These are ok for the price. I can't see spending 200 dollars for other brands that are a 3 pack as well. That being said though these do wear/dull pretty quickly. But for the price if you are expecting them to last as long as the $200 irwin set then you should be looking elsewhere.

Overall they get the job done (though their life is short), and they don't break your wallet.

-Nigel
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Style Name: 3-Piece SetSize: Combined Sizes Verified Purchase
I needed a tool to make clean cut holes in 5 gallon, thick plastic buckets (like old 5 gallon paint or joint compound buckets). I tried EVERYTHING and everything seemed to leave sharp plastic pieces hanging off the inside of the bucket and that's no good. I needed clean holes. I had to cut about 60 holes in each bucket and this tool flew right threw the plastic making a totally clean, perfectly round hole. Now I did use a small straight bit to make starter holes but I also tried pushing this bit straight through on its own. It made it through the plastic just fine on its own but it went faster with the pilot holes. This is a perfect solution to cutting clean holes in plastic. I haven't tried it on anything else yet.
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This item: Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes