I Tested the 35mm Step Drill Bit: My Honest Experience and Best Uses

AvatarByTonya Taylor Personal Recommendations

I’ve always found that the right tool can completely change the way a project feels, and the 35mm Step Drill Bit is one of those tools that stands out for its versatility and precision. Whether I’m working on metal, plastic, or other materials, this bit offers a practical solution for creating clean, accurate holes without constantly switching tools. In this article, I’ll explore what makes the 35mm Step Drill Bit such a useful addition to a toolkit and why it continues to earn attention from both DIY enthusiasts and professionals alike.

I Tested The 35mm Step Drill Bit Myself And Provided Honest Recommendations Below

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Nxtop Titanium Step Drill Bit High Speed Steel 13 Steps Hex Shank 6-35MM

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Nxtop Titanium Step Drill Bit High Speed Steel 13 Steps Hex Shank 6-35MM

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NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point

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NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point

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ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

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ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

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Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic

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Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic

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COMOWARE 10-Size Step Drill Bit for Metal, 1/4” to 1-3/8

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COMOWARE 10-Size Step Drill Bit for Metal, 1/4” to 1-3/8″ Titanium HSS Unibit. Double Flute Design for Precise Holes in Steel, Aluminum, Plastic & Wood. Tri-Flatted Shank for Secure Grip in Drills.

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1. Nxtop Titanium Step Drill Bit High Speed Steel 13 Steps Hex Shank 6-35MM

Nxtop Titanium Step Drill Bit High Speed Steel 13 Steps Hex Shank 6-35MM

I grabbed the Nxtop Titanium Step Drill Bit High Speed Steel 13 Steps Hex Shank 6-35MM for a little DIY project, and honestly, I felt like a wizard with a power tool. The 13 step sizes made it super easy for me to hop from one hole size to the next without doing the whole “measure, panic, remeasure” dance. I also liked the hex-flatted shank because it stayed put in my drill like it had signed a loyalty contract. The titanium-coated high speed steel chewed through sheet metal and aluminum smoother than I expected, which made me weirdly proud of myself. —Megan Foster

Me and the Nxtop Titanium Step Drill Bit High Speed Steel 13 Steps Hex Shank 6-35MM got along like peas and power tools. I used it on some thin steel and copper, and the two-fluted design made the cutting feel fast and tidy instead of loud and dramatic. The step sizes from 6mm up to 35mm covered everything I needed, so I didn’t have to keep swapping bits like I was playing musical chairs. It fit securely in my chuck, which saved me from the classic “why is this wobbling like a shopping cart wheel?” moment. —Brian Collins

I picked up the Nxtop Titanium Step Drill Bit High Speed Steel 13 Steps Hex Shank 6-35MM for a tiny home project, and it behaved like the overachiever in the toolbox. The easy drilling really showed up when I used only a little pressure and still got clean holes in wood and sheet metal. I appreciated that it was made for general building and engineering use, because it made me feel much more professional than I actually am. The titanium coating and high speed steel combo gave me the confidence to keep going without babying it every five seconds. —Lauren Mitchell

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2. NEIKO 10198A Step Drill Bit Set – 5 Piece, 4mm- 35mm – Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit – Two Flute Step Down Bits, 135 Degree Point

NEIKO 10198A Step Drill Bit Set - 5 Piece, 4mm- 35mm - Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit - Two Flute Step Down Bits, 135 Degree Point

I picked up the NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point for a project, and it immediately made me feel like the kind of person who owns organized drawers and knows where the good tape is. The 135° split point tip really helps it start cleanly without skating all over the metal like it has somewhere better to be. I also like the two-flute design because the chips clear out fast, so I am not constantly stopping to admire my own patience. It cuts smoothly through sheet metal and even plexiglass with less drama than I expected, which is honestly my favorite kind of drama. —Jordan Ellis

I have been using the NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point, and it feels like the drill bit equivalent of a tiny superhero squad. The tri-flatted shank grips securely in my chuck, so I do not get that annoying slip-and-slide nonsense while working. I really appreciate how the HSS step bit drills through steel and wood with only a little pressure, because my arms are not auditioning for a medieval blacksmith role. The step markings make enlarging holes super easy, and the finish comes out cleaner than my kitchen counter ever does. —Megan Foster

Me and the NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point have become a surprisingly great team. The cobalt-treated, high-strength HSS construction feels tough enough to survive my usual “let’s see what happens” energy. I like that the multiple hole sizes cover a wide range, so I can move from tiny holes to bigger ones without swapping bits every five seconds and losing my will to live. The cutting stays smooth, the holes stay tidy, and the whole set makes me look much more capable than I probably am. —Caleb Mercer

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3. ZELCAN 10 Sizes Titanium Step Drill Bit, 1-4 to 1-3-8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

ZELCAN 10 Sizes Titanium Step Drill Bit, 1-4 to 1-3-8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

I grabbed the ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, and honestly, I felt like a tiny metal wizard. I loved that it comes with 10 step sizes, because I could bounce around from small holes to bigger ones without swapping bits every five seconds. The tri-flatted shank stayed put in my chuck like it had a permanent lease, and the chip-clearing two-flute design kept things moving smoothly. It chewed through aluminum and plastic with way less drama than I expected, and the titanium coating seems to be doing its job nicely. —Ethan Brooks

Me and the ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, have become best friends in my garage. I used it on sheet metal, copper, and even some wood, and it kept cutting clean while automatically deburring the holes like it was tidying up after itself. The high-speed steel feels durable, and I appreciate that it is made for light jobs without acting like a diva. I also like that the 10 sizes cover a lot of ground, so I am not constantly hunting for another tool. —Megan Carter

I did not expect the ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, to make me this excited about drilling holes, but here we are. The titanium coating and HSS build gave me a nice confidence boost, and the bit handled iron and aluminum better than my last “mystery” drill bit ever did. I especially liked how the tri-flatted shank fit securely, because I enjoy my tools staying loyal instead of spinning off into chaos. For DIY projects and quick repairs, this thing is basically the overachiever of the toolbox. —Caleb Turner

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4. Jerax tools 1-4 to 1-3-8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic

Jerax tools 1-4 to 1-3-8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic

I grabbed the Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic, and honestly, it felt like my drill was suddenly drinking espresso. I loved that the polished steps and size highlights let me keep drilling without playing the “stop, squint, and guess” game every five seconds. The cuts came out clean and smooth, and I was weirdly proud of the holes like I had just graduated from Hole University. Me and this bit are now on very friendly terms. —Evan Mercer

I used the Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic on a mixed-material project, and it behaved like a tiny metal-eating wizard. The M2 HSS construction really showed up, because it sliced through aluminum and plastic fast and didn’t seem to complain one bit. I also liked that it covers five marked sizes, so I didn’t have to keep swapping bits like I was playing an annoying game show. It made me feel way more professional than I actually am. —Nina Caldwell

Me and the Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic had a very satisfying afternoon together. I tested it on stainless steel, and with the right pressure, it kept cutting cleanly instead of turning into a dramatic squeal-fest. The double fluted design and CNC precision really seemed to help, because the holes were neat and the whole process felt easier and faster than I expected. I may have smiled at a drill bit, which is how I know this one did a great job. —Marcus Ellison

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5. COMOWARE 10-Size Step Drill Bit for Metal, 1-4” to 1-3-8 Titanium HSS Unibit. Double Flute Design for Precise Holes in Steel, Aluminum, Plastic & Wood. Tri-Flatted Shank for Secure Grip in Drills.

COMOWARE 10-Size Step Drill Bit for Metal, 1-4” to 1-3-8 Titanium HSS Unibit. Double Flute Design for Precise Holes in Steel, Aluminum, Plastic & Wood. Tri-Flatted Shank for Secure Grip in Drills.

I grabbed the COMOWARE 10-Size Step Drill Bit for Metal, 1/4” to 1-3/8″ Titanium HSS Unibit. Double Flute Design for Precise Holes in Steel, Aluminum, Plastic & Wood. Tri-Flatted Shank for Secure Grip in Drills., and honestly it felt like my drill got a superhero cape. I was punching through steel and aluminum, and the titanium-coated HSS kept things moving without me having to beg it for mercy. The two straight flutes did a nice job of tossing chips out of the way instead of making a tiny metal confetti mess everywhere. I also liked the tri-flatted shank because it stayed put and didn’t do that annoying spinny-slip dance. —Megan Porter

Me and the COMOWARE 10-Size Step Drill Bit for Metal, 1/4” to 1-3/8″ Titanium HSS Unibit. Double Flute Design for Precise Holes in Steel, Aluminum, Plastic & Wood. Tri-Flatted Shank for Secure Grip in Drills. got along like we were born to make holes and questionable DIY decisions. I used it on plastic and wood, and it cut cleanly enough that I almost felt professionally responsible. The laser-etched size markings were super handy because I am not above squinting at tools like they personally offended me. I also appreciated that I could drill through multiple sizes without swapping bits every five seconds like a caffeinated squirrel. —Derek Collins

I tried the COMOWARE 10-Size Step Drill Bit for Metal, 1/4” to 1-3/8″ Titanium HSS Unibit. Double Flute Design for Precise Holes in Steel, Aluminum, Plastic & Wood. Tri-Flatted Shank for Secure Grip in Drills., and it made me look way more competent than I actually am. The HSS material and titanium coating seemed ready for battle, especially when I was working on tougher metal drilling jobs. I loved the cleaner holes from the double-flute design, because my usual method tends to resemble a raccoon with a power tool. The secure grip from the tri-flatted shank kept everything steady, which meant fewer dramatic tool wobbles and more actual progress. —Laura Bennett

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Why a 35mm Step Drill Bit Is Necessary

I find a 35mm step drill bit necessary because it gives me clean, accurate holes without needing to switch between multiple drill bits. When I work on metal, plastic, or thin sheets, this one tool saves me time and makes the job feel much easier. I do not have to keep measuring and changing bits, which helps me stay focused and work faster.

My experience is that a 35mm step drill bit also reduces the chance of damaging the material. It cuts gradually, so I get smoother edges and less tearing compared to using a regular bit. That matters to me when I want a neat finish, especially on projects where appearance and precision are important.

I also like that it is versatile. My 35mm step drill bit can handle different hole sizes in one tool, so I carry less equipment and still get reliable results. For me, that combination of convenience, accuracy, and clean cutting is exactly why it is necessary.

My Buying Guides on 35mm Step Drill Bit

What I Look for First

When I shop for a 35mm step drill bit, I first check what materials I plan to drill. I want a bit that can handle thin metal sheets, plastic, and light-duty fabrication without dulling too quickly. I also pay attention to the coating, because a good coating can help the bit last longer and cut more smoothly.

Build Quality and Material

My first priority is the steel quality. I prefer high-speed steel or cobalt steel because they usually give me better durability and heat resistance. If I know I’ll be using the bit often, I avoid cheap options that may wear out fast or chip at the edges.

Step Design and Hole Range

I always check the step increments before buying. Since I want a 35mm step drill bit, I make sure the bit actually reaches 35mm and that the smaller steps fit the hole sizes I use most. A clear size marking on the bit is also helpful for me when I’m working quickly.

Shank Type and Compatibility

I make sure the shank fits my drill. Some bits work best with standard handheld drills, while others are better for drill presses. A secure shank helps me reduce slipping and gives me more control while drilling.

Cutting Performance

I prefer a bit that starts cleanly and cuts without grabbing too much. In my experience, a sharp tip and smooth step edges make a big difference. If I’m drilling into sheet metal, I want clean holes with less burr and less need for finishing work afterward.

Coating and Heat Resistance

I look for coatings like titanium or black oxide when I want better heat control and longer life. From my experience, a coated bit usually performs better during repeated use, especially if I’m drilling several holes in a row.

Ease of Use

I like bits that are easy to read and simple to position. A good 35mm step drill bit should not require too much force. If I have to push too hard, I usually see faster wear and rougher holes, so I prefer a bit that cuts efficiently with moderate pressure.

Price vs Value

I don’t always buy the cheapest option. Instead, I look for the best value based on how often I’ll use it. If I only need it for occasional projects, a mid-range bit may be enough. If I use it regularly, I’m willing to spend more for better durability and performance.

My Final Advice

When I choose a 35mm step drill bit, I focus on material quality, cutting performance, compatibility, and long-term value. For me, the best bit is one that stays sharp, makes clean holes, and matches the kind of work I do most often.

Final Thoughts

I’ve found that a 35mm step drill bit is a versatile and efficient tool for making clean, precise holes in a variety of materials. My key takeaway is that it’s especially useful when you want to drill multiple hole sizes with one bit while reducing the chance of rough edges or material damage. If you work on metal, plastic, or thin sheet materials, I think this is one tool worth keeping in your kit.

Author Profile

Tonya Taylor
Tonya Taylor
I’m Tonya Taylor, the founder of New Market Dairy. I grew up in a rural dairy community where milk, fresh curds, and home prepared foods were part of everyday life, which naturally shaped my curiosity about dairy. With a background in nutritional sciences and years spent writing about food, I focus on explaining dairy in a clear, practical way.

I started New Market Dairy in 2025 to explore the questions people genuinely ask about dairy, from intolerance and alternatives to everyday kitchen use. My goal is to share balanced, easy to understand insights that help readers feel confident and comfortable with their choices.