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black leaf Ships in product packaging

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ZELCAN Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

4.4 4.4 out of 5 stars 18,030 ratings
$22.99
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5PCS HSS Titanium, 50 sizes
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Purchase options and add-ons

  • Extreme Durability: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
  • Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.
  • Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
  • Use Center Punch to Mark the Spot: Please mark the spot that you are to drill for easier drilling and improved drill bits life.
  • Keep Your Step Drill Bits Well Organized: All the bits come in a well-organized case for easy transport and storage.
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Frequently bought together

ZELCAN Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet
$22.99
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Sold by Banyan Imports and ships from Amazon Fulfillment.
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AUTOTOOLHOME 6 Pack Titanium Combination Drill Tap Bit Set Screw Tapping SAE 6-32NC 8-32NC 10-24NC 10-32NC 12-24NC 1/4-20NC
$13.99
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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 4.33 x 1.57 x 6.1 inches; 1.15 Pounds
  • Item model number ‏ : ‎ CO-Z SDB-0000
  • Date First Available ‏ : ‎ November 2, 2015
  • Manufacturer ‏ : ‎ CO-Z
  • ASIN ‏ : ‎ B0177PN6SI
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.4 4.4 out of 5 stars 18,030 ratings

Product Description

DRILL BITS
DRILL BITS
DRILL BITS

CO-Z step bits

CO-Z step bits

CO-Z step bits

CO-Z step bits

Universal Compatibility

  • Compatible with 1/4, 3/8, 1/2 electric drills or bench drills, but only work for sheet metal, aluminum or plastic.

Convenient & Precise

  • Each level of each bit is clearly marked with laser engraving so you can find and drill the precise right diameter every time!

Smooth & Clean Drilling

  • Dual grooves quickly remove chips and other swarf as you work, keeping your work safe and each hole well deburred.

Distinct Shank Design

  • Our ¼ and ⅜-inch shanks are engineered for maximal stability and strength to prevent any offset or slippage.

HSS 5PCS Titanium Step Drill Bit Set Specifications

Main Features Drill holes of various diameters at once
Compatible Materials Iron sheet, aluminum sheet, acrylic board, PVC board, wood board
Product Material High Speed Steel
Measurement System Inch
Compatible Drill Diameter 1/2,1/4,3/8

Looking for specific info?

Customer reviews

4.4 out of 5 stars
4.4 out of 5
18,030 global ratings

Customers say

Customers like the value of the tool, saying it's well made and good value for soft metals, wood, and plastics. They also like the quality. However, some customers have reported that the bits wear out quickly. Opinions are mixed on hole quality, cutting quality, metals and sharpness.

AI-generated from the text of customer reviews

1,145 customers mention817 positive328 negative

Customers like the quality of the tools. They say it performs very well, is excellent, and impressed with the quality. Some mention that the bit held up and did well, and that it works well for making 30mm holes in an aluminum enclosure.

"Great price, quality tools" Read more

"For the price you get a pretty good bit set...." Read more

"...were only two small downsides of this step bit: one, the step bit is not a hex bit that you can just snap into your impact driver and use-it is..." Read more

"Great device, the unit cuts smoothly and is strongly made. I will purchase other sizes." Read more

344 customers mention344 positive0 negative

Customers are impressed with the value of the drill bit. They say it's good value for soft metals, wood, and plastics, and works well for a fraction of the cost. Some customers also mention that the step bit is very well made for the price.

"Great price, quality tools" Read more

"...There are a few downsides, but I consider them worth it for the price. First, the size markings inscribed on the bits are of varying quality...." Read more

"Good value" Read more

"As in the headline, good value for soft metals, wood and plastics. I would not count on it for anything more." Read more

188 customers mention95 positive93 negative

Customers are mixed about the appearance of the drill bits. Some mention that it looks good, the case is very nice, and the box is cool. However, others say that it starts to dull after 8 holes and can't be used without problems. The gold finish is dull and has marks on it.

"...It's actually a very nice case in spite of the materials, just don't expect it to take a lot of abuse." Read more

"...the step you want is through material making for kind of a messy looking hole for whatever...." Read more

"havent used it yet but looks good" Read more

"...I only used the bit once on a metal plate and it was dull and struggled to get through the 3rd and 4th hole...." Read more

129 customers mention60 positive69 negative

Customers are mixed about the cutting quality of the tool. Some mention that it cuts very well, while others say that it just refused to cut.

"Worked for the very first hole. But TBEN went full wouldn’t cut. Just got so hot it sat there spinning and smoking. No good...." Read more

"...I have only used one of them so far, but it was sharp and cut through my steel jeep body without any issues." Read more

"...in 1/8 thick aluminum I could tell it was having a slightly harder time cutting through. That's all I needed it for, so for the money it was fine...." Read more

"...The bits cut quickly and cleanly and don't appear to have dulled in over a year of use...." Read more

111 customers mention56 positive55 negative

Customers are mixed about the hole quality of the tool. Some mention that it makes holes with ease, is perfect for drilling holes through thin steel cabinet that supports the weight of it, and drilled the hole required. However, others say that it made a mess of the hole and couldn't even complete the first hole.

"...This step bit solved my problem by enlarging my hole evenly-leaving me with the perfect size hole to accommodate the running of my wiring...." Read more

"Will not cut through metal thicker than aluminum foil (bit of an stretch, bit in all honesty)...." Read more

"Delivery good, fit drill well and drilled the hole required. Cannot attest to longevity or durability. It worked fine the one time I used it." Read more

"...It worked but left a hole with tapered edges, not a 1-1/8” hole all the way through, it left a smaller hole on the backside...." Read more

111 customers mention58 positive53 negative

Customers are mixed about the sharpness of the drill bits. Some mention that they are plenty sharp and durable for mild steel, while others say that the sharpening is difficult and the bits lose their sharpness after a couple of uses.

"...I have only used one of them so far, but it was sharp and cut through my steel jeep body without any issues." Read more

"The sharpness could be much better, but it got the job done that I needed it for. Be prepared to be drilling for a while though!!..." Read more

"Great device, the unit cuts smoothly and is strongly made. I will purchase other sizes." Read more

"Not a very sharp bit. Takes awhile to bore." Read more

92 customers mention62 positive30 negative

Customers are mixed about the metals. Some mention that it's super for plastic and thin metal, while others say that the case is plastic and not metal. Some say that it is only coated with titanium and not solid titanium.

"...Being cobalt, it SHOULD work well on stainless steel, but I got maybe 3 uses on one till it was shot...." Read more

"...I think these are probably good for thinner softer metals and wood but not for anything thicker...." Read more

"...Also, the case is in no way aluminum. It's part plastic, part imitation-plastic, but with a metal latch and hinges...." Read more

"Good for thin metal" Read more

72 customers mention8 positive64 negative

Customers are dissatisfied with the durability of the tool. They mention that the bits don't last long, and the tool wears out quickly. Some customers also say that the tool is cheap and wears down quickly.

"Like stated in my title it comes with a cool case. Sadly the bits don’t last long." Read more

"Cut super nice at first then On the 4th hole the bottom snapped off. Keeping with greenlee" Read more

"...good isn't exactly logical, so I really don't care that they died out so quickly. Just don't read to far into what they claim it to be rated for...." Read more

"...using this step drill was very unsatisfactory because it wore out after cutting four holes in a very thin sheet steel control panel." Read more

Great on thin sheet metal, 1/8” not so much
4 Stars
Great on thin sheet metal, 1/8” not so much
I bought this to drill a 1-1/8” hole in 1/8” inch steel. The description says it will drill up to .20 material. It worked but left a hole with tapered edges, not a 1-1/8” hole all the way through, it left a smaller hole on the backside. Luckily I was able to drill the hole from the backside to make a uniform hole. It enlarged the hole gradually rather than in steps. I think it would be okay for drilling holes in thin sheet metal, but not so great in thicker metal
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Top reviews from the United States

Cponeus
5.0 out of 5 stars As advertised
Reviewed in the United States on April 14, 2024
Style: 5PCS HSS Titanium, 50 sizesVerified Purchase
Great price, quality tools
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Public Defender
5.0 out of 5 stars Nice set
Reviewed in the United States on April 17, 2024
Style: 6 PCS Straight Step Bit SetVerified Purchase
For the price you get a pretty good bit set. I have only used one of them so far, but it was sharp and cut through my steel jeep body without any issues.
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Princeton3
4.0 out of 5 stars Worked like a charm!!
Reviewed in the United States on August 6, 2023
Style: HSS Step Bit (1/4" to 1-3/8")Verified Purchase
I’m in the process of installing an electric vehicle charger in my garage and had to bore a 1 1/4” hole in a 2x6 stud after trying to initially bore the hole with a 1” spade bit. When I couldn’t enlarge the 1” hole evenly to accommodate the size of the wiring, I decided to look for a step bit. I came across this step bit and decided to give it a try. This step bit solved my problem by enlarging my hole evenly-leaving me with the perfect size hole to accommodate the running of my wiring.

There were only two small downsides of this step bit: one, the step bit is not a hex bit that you can just snap into your impact driver and use-it is designed to be screw tightened into you drill chuck; and two, the stem is somewhat short so I had to adjust it inside my drill’s chuck to make it longer to get completely through the stud. This worked but I was afraid the bit was going to slip out of the chuck and fall in the wall cavity.

Nevertheless, I am very pleased with how the step bit performed and would definitely recommend it.
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Brian Dehler
5.0 out of 5 stars Worked great
Reviewed in the United States on April 28, 2024
Style: HSS Step Bit (1/4" to 1-3/8")Verified Purchase
Needed a step drill for a little project and this worked as advertised.
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K.Nicole
5.0 out of 5 stars Great product, only used on burn barrel for different range size holes
Reviewed in the United States on May 4, 2024
Style: HSS Step Bit (1/4" to 1-3/8")Verified Purchase
Nothing to dislike at this point
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Travis Holland
5.0 out of 5 stars I've used my set quite frequently for a year now, and it's held up perfectly so far.
Reviewed in the United States on October 29, 2022
Style: 5PCS HSS Titanium, 50 sizesVerified Purchase
I'm always shocked at how expensive step drill bits are, considering this whole set costs about a third as much as a single step bit elsewhere. I bought this set because of the night and day difference I've found when it comes to drilling steel with cobalt bits versus plain HSS. I honestly haven't been disappointed in the quality of this set as far as drilling goes, which is the most important thing by far. The bits cut quickly and cleanly and don't appear to have dulled in over a year of use.

There are a few downsides, but I consider them worth it for the price. First, the size markings inscribed on the bits are of varying quality. Some are more difficult to read than others, and they don't always line up with the steps, meaning I occasionally have to count down from the top to tell which marking goes with each step. Also, the case is in no way aluminum. It's part plastic, part imitation-plastic, but with a metal latch and hinges. It's actually a very nice case in spite of the materials, just don't expect it to take a lot of abuse.
One person found this helpful
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Kota Wharton
3.0 out of 5 stars Poor bit. Good for wood and thin metal only. And pushy customer support.
Reviewed in the United States on May 26, 2020
Style: 5PCS HSS Titanium, 50 sizesVerified Purchase
Will not cut through metal thicker than aluminum foil (bit of an stretch, bit in all honesty). Tried to go though 1/16" stainless steel with cutting oil, the bit burned up immediately.

Customer support responded immediately, refunded, and asked for this review changed. I do not change reviewes generally but their customer support pushiness seemed to warrabt this.

If you sell a defective bit your customer will write a poor review. You can replace or refund the bit because that it the right thing to do.then your customer may change their review as they would like. But don't email them over and over.

Here's what they said,

Hello,

Thank you for your quick reply. We have given you a full refund without the return on this purchase. You may check your account within 24 hours. Please let us know if there is anything else we can do. If you are satisfied with our solution, we are wondering would you please do us a favor to write a new comment and share your shopping experience with our other potential buyers on this product，or just take down the old one at your convenient time? It only takes you one or two minutes, but to us, it's very important.

Waiting for your reply

Then a few days later...
.Hello Kota,

We hope you are doing well.
As we have made things better, we kindly invite you to change the comment you left. It only takes a few minutes but means a lot to us.

We would like more customers to know that although sometimes things happen, we have great service to protect our customers from loss. That means the world to us. Attached below is a simple instruction for your reference.
Your attention and support would be much appreciated.

Your support and kindness would be highly appreciated.

With screenshots of how to change a review.
4 people found this helpful
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Nathan Kelley
5.0 out of 5 stars Invaluable when you need it.
Reviewed in the United States on April 2, 2024
Style: HSS Step Bit (1/4" to 1-3/8")Verified Purchase
Good value
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Top reviews from other countries

Translate all reviews to English
DRSkinn
5.0 out of 5 stars Smooth Drilling
Reviewed in Canada on April 29, 2024
Style: 1 PC Large HSS Step Drill Bit, 1/4" - 2-3/8"Verified Purchase
Great quality, smooth cutting through sheet metal. Shaving small pieces off as it drills through the metal. A little sloppy over 2”, but easy use
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RobSch
5.0 out of 5 stars Worth it!!
Reviewed in Canada on December 27, 2023
Style: 5PCS HSS Titanium, 50 sizesVerified Purchase
ABSOLUTELY worth it! I took a risk and bought this form Amazon as opposed to the big orange box store down the road. Never purchased drill bits from Amazon. I could not be more surprised and impressed. I have used on mild and hard steel (with drill oil) and no problems.
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Benoit Davignon
4.0 out of 5 stars qualité de l'acier
Reviewed in Canada on September 15, 2021
Style: 6 PCS Straight Step Bit SetVerified Purchase
perforé de l'acier et les forêts ont tenu le coup.
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jess
5.0 out of 5 stars Se ve bien y de calidad ya que lo use les cuento
Reviewed in Mexico on February 22, 2021
Style: 6 PCS Straight Step Bit SetVerified Purchase
Buena calidad
Tiene diferentes medidas
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Fernando
1.0 out of 5 stars Malo
Reviewed in Mexico on February 16, 2021
Style: 1 PC Large HSS Step Drill Bit, 1/4" - 2-3/8"Verified Purchase
No perforó más de 3/4
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