Are you trying to find step drill bits among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling step drill bits on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 26 hours of research and did 19 step drill bits tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best step drill bits you can buy today
- 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).
- HSS Titanium Coating: The step drill has excellent sharpness and durability due to its high speed steel material and titanium coating
- 118° Split Point Tip & Dual-flute Design: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily
- 50 Sizes in 5 Pcs: The step drill bit kit includes 5 standard pieces with totally 50 sizes for versatility, enough for your DIY needs
- Widely Application: Ideal for drilling holes in plastic, aluminum, iron and many other types of sheet metal (Not recommended for stainless steel & wood)
- Equipped with a well-organized case, make it more convenient for using and storing the step drills
- Durable HSS Drill Bit ----- High-speed steel makes it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.
- Titanium Coating ----- Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.
- Revolutionary Design ----- Tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.
- Includes 10 Step Sizes ----- 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8".
- A Must-Have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).
- Step Bit 6Pc Set (#1, #4, #6, #7, #8, #9)
- The product is easy to use and easy to handle
- The product is highly durable
- HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
- Size Includes - 10 Sizes from 1/4 to 1-3/8 inch can fit the majority of brands currently on the market.
- Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
- A Must-Have for Handyman or Professionals - Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).
- Quick Chip Removal - Double flutes design allows the particles escape easily for a clean drilling operation.
- 【QUILITY STEP DRILL BITS】 The step drill bits are made of classic high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, wood board, copper, stainless steel and many other types of sheet metal.
- 【DOUBLE CUTTING BLADES DESIGN】The HSS step drill bit set is designed with double cutting blades, which provides faster, smoother and accurate drilling.
- 【TRI-FLATTED SHANK】 Each unibit step drill bit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.
- 【WELL PERFORMED 】 The multiple hole drill bit set include 28 size, which can cuts through steel, sheet metal, wood board and other surfaces creating relatively clean holes as you drill. Suitable for home DIY, and general building/ engineering use.t slippage and shedding during the rotation.
- 【SET INCLUDES】The cone drill bits set includes 3 common sizes for versatility. 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". If you are not fully satisfied with the step bit for any reason, please contact us for 100% refund or replacement.
- Titanium Nitride Coated two flute spiral design provides longer life and better chip removal for the DEWALT drill bit set
- Split point tip of the drill bit increases speed
- Laser engraved numbers increases step visiblity
- 1/4-inch hex shank
- Optimized for impact driver usage
- 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.
- 【HSS Titanium Coating】Crafted from high-speed steel (HSS) and enhanced with a titanium coating, our drill bits deliver outstanding durability and retain sharpness, even under challenging conditions. The titanium layer boosts wear resistance, reduces friction, and ensures cooler operation.
- 【Versatile Hole Processing】Our set of five standard step drill bits covers a wide range of hole diameters, effectively replacing 50 individual bits. This design eliminates the hassle of switching between multiple bits, allowing you to drill various hole sizes to meet all your DIY needs.
- 【Precision-Engineered Design】The Automatic Center Punch swiftly and precisely creates positioning indentations on surfaces, ensuring accurate drilling without misalignment. The 118° split point tip enhances cutting speed and wear resistance, while the two-flute design ensures smoother cutting and efficient chip removal, making your drilling tasks easier and more precise.
- 【Convenient Storage Solution】This step bit set includes a specially designed holder with a size index, ensuring each bit is securely stored. The cone bits are neatly arranged in a case, making transport and storage easy while preventing them from falling out, keeping your workspace organized and clutter-free.
- 【Wide Range of Applications】Ideal for drilling holes in plastic, aluminum, wood, iron, and various other types of sheet metal (it is recommended to add coolant when drilling metal plates, and the speed should not be too high). Suitable for home DIY, handymen, and professionals.
- 【Bonus Sanding Paper】Includes two premium sanding sheets for smoothing burrs after drilling, ensuring a clean finish on every project.
- Spiral fluted PATENTED stepped-tip drill bits that simply outperform every conventional drill bit design in nearly all materials
- Patented design eliminates bit walk and the need for pilot holes
- Excels on hard alloys, sheet metal, and imperfect parts that are difficult to start drilling into
- Precision ground from heat treated quality M2 High Speed Steel and Onyx oxide coated to prevent chip build-up
- Three-flat shanks, reduced shanks above 3/8", and mechanic’s length for superior access in cramped spaces
- Step Bit #12 7/8" - 1-3/8"
- The product is easy to use and easy to handle
- The product is highly durable
- Most durable, fastest holes
- A dual spiral flute combined with the Rapid Strike Tip delivers up to 2X faster holes than competitive impact step bits
- With an OPTIMIZED SHOCKZONE and a titanium aluminum nitride coating, these bits last 5X longer than competitive impact step bits
- These step bits have best in class performance in impact drivers and the versatility to be used in drills
- Titanium aluminum nitride coating Rapid Strike Tip provides fast and accurate starts
- Laser engraving for easy size identification
- Six different sizes, up to 13 steps
- HSS Titanium Coating - Our step drill bit is adopted with high speed steel material and titanium coating, which makes the step bit harder, also the step drill has excellent sharpness and durability.
- Great Dual-flute Design - The step drill bits are designed with 118° split point tip, which can improve the cutting speed while increasing the wear resistance, also the unibit step drill bit can be used for a long time. The two flute design provides a smoother cutting, and allows chips to be removed quickly. This stepped drill bit will be a great tool for DIY Lovers.
- Widely Application - The step drill bit for metal can be used for drilling holes on plastic, aluminum alloy, iron, wood and many other types of sheet metal. It is better to add coolant or water when drilling. The step drill is great for home DIY or engineering use. (Not recommended for stainless steel)
- Multiple Size Step Bit - The step drill bit set including 5 standard step bits, which you can drill 50 different kinds of diameter hole, which can meet your daily needs. Please mark the spot that you are to drill for easier drilling and improved drill bits life. Each step bits for metal optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.
- 100% Good After-Sale Service - All the cone drill bit come in a well organized case, which make it more convenient for using and storing the unibit. Also we are confident with the quality of step drill bit, please feel free to contact us if you have any comment about the stepper bit, we will give you a satisfactory answer!
- ENHANCED DURABILITY: Our industrial-grade step drill set is meticulously crafted from high-quality alloy steel and undergoes multiple manufacturing processes. Each drill bit is carefully inspected at the factory to ensure superior quality and longevity.
- IMPROVED STABILITY: Unlike ordinary step drills that often suffer from deflection during cutting, our four-flute step drill bit provides exceptional stability. This feature enhances accuracy and cutting speed, making it perfect for stainless steel drilling. In fact, it offers a significantly longer service life compared to regular step drills.
- 5PCS NITRIDING STEP BIT KIT: Our 5-piece nitriding step bits set includes a range of sizes to cater to various drilling needs. The set comprises step bits with diameters of 3/16"-1/2" (6 steps), 1/8"-1/2" (13 steps), 1/4"-3/4" (9 steps), 3/16"-7/8" (12 steps), and 3/16"-1-3/8" (19 steps). All these bits come in a sturdy blow molded case for easy storage and transport.
- VERSATILE DRILLING CAPABILITY: With its powerful drilling capability, our step drill is suitable for piercing holes in various materials, including thin metal, copper, aluminum, iron, carbon steel, wood, and plastic. It's an essential addition to any DIY enthusiast's toolbox and can be utilized for a wide range of household projects.
- USER-FRIENDLY DESIGN: Our step drill bits feature laser-engraved step sizes, ensuring clear visibility and eliminating concerns about wear and tear during use. This design element enhances convenience and accuracy, making the drilling process easier and more efficient.
- DEDICATED CUSTOMER SERVICE: While our products undergo stringent quality inspections, unforeseen issues caused by accidental factors may occur. In such cases, we are committed to providing professional customer service. If you encounter any quality problems, please contact us via Amazon, and we will promptly replace the defective item with a new one.
- Ultimate Drill Bits Set- This unit step drill bit includes 5 step bits in sizes 3/16-1/2'', 1/8-1/2'', 1/4-3/4'', 3/16-7/8'', 1/4-1-3/8'', effectively replacing 50 sizes of conventional drill bits. Along with a center punch. Additionally, the counter sinker drill bit set in sizes 1/4'', 3/8'', 1/2'', 5/8'', 3/4''.
- Premium Quality Drill Bit Set - Our countersink and step drill bit set is made from high speed steel for longer cutting edge life even at extreme temperatures.step drill set with a titanium coating significantly improves durability and sharpness for less friction and cooler operation,performs well in heat, corrosion and rust resistance.
- Premium Design - Counter sinker drill bit set very suitable for sinking 90 degree holes in wood and soft metal countersunk screws and fasteners. Step drill with 118 ° split tip and double groove design, increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily.
- Wide Range of Applications-This versatile set of HSS step drill bits and taps is suitable for various materials such as steel, copper, wood, aluminum, plastic, and sheet metal. It is perfect for professionals and DIY enthusiasts working in industries like automotive, construction, woodworking, and more.
- Convenient Storage and Organization- By combining the capabilities of multiple tools in one, our HSS step drills and taps help users minimize the number of tools required for different tasks, effectively decluttering workspaces and simplifying tool management. These practical and functional woodworking tools make an excellent gift for Father's Day.
- ENHANCED DURABILITY: Our industrial-grade step drill set & countersink drill bit set is meticulously crafted from high-quality alloy steel and undergoes multiple manufacturing processes. Each drill bit is carefully inspected at the factory to ensure superior quality and longevity.
- IMPROVED STABILITY: Unlike ordinary step drills that often suffer from deflection during cutting, our four-flute step drill bit provides exceptional stability. This feature enhances accuracy and cutting speed, making it perfect for stainless steel drilling. In fact, it offers a significantly longer service life compared to regular step drills.
- NITRIDING BIT KIT: Our 10 Pcs nitriding step and countersink bits set includes a range of sizes to cater to various drilling needs. The set comprises step bits with diameters of /16"-1/2" (6 steps), 1/8"-1/2" (13 steps), 1/4"-3/4" (9 steps), 3/16"-7/8" (12 steps), and 3/16"-1-3/8" (19 steps). Countersink Drill Bits sizes1/4'', ”3/8'', 1/2'', 5/8'', 3/4''.
- VERSATILE DRILLING CAPABILITY: With its powerful drilling capability, our step drill is suitable for piercing holes in various materials, including thin metal, copper, aluminum, iron, carbon steel, wood, and plastic. It's an essential addition to any DIY enthusiast's toolbox and can be utilized for a wide range of household projects.
- USER-FRIENDLY DESIGN: Our step drill bits feature laser-engraved step sizes, ensuring clear visibility and eliminating concerns about wear and tear during use. This design element enhances convenience and accuracy, making the drilling process easier and more efficient.
- DEDICATED CUSTOMER SERVICE: While our products undergo stringent quality inspections, unforeseen issues caused by accidental factors may occur. In such cases, we are committed to providing professional customer service. If you encounter any quality problems, please contact us via Amazon, and we will promptly replace the defective item with a new one.
- Optimized for impact drivers, drill/driver compatible
- The Rapid Strike Tipâ„ provides fast and accurate starts
- 13 steps with laser engraving for clear stop on size identification
- Titanium Aluminum Nitride (TiAlN) coating delivers 5X longer life than competitive impact step bits
- Pack of 1
- HSS Titanium Coating: Our high-speed steel drill bits, fortified with a titanium coating that makes the drill bit harder than a typical HSS bit, can reduce the friction drill, and perform well in heat, corrosion, and rust resistance.
- Precision-Engineered Design: Two-flute spiral grooved design deburrs chips, dust and debris for clearance and smooth cutting. The 118° split point tip drill reduces friction, pressure, and heat, making the drill bits long-lasting and efficient.
- Wide Application: Our step drill bit can process different diameter holes, and can be used on materials such as metal heavy-duty, iron, aluminum, brass, plastic, aluminum alloy, wood, plastic, etc. Suitable for home DIY and general use.
- Quick Change: The 1/4-inch hex shank fits easily and securely into all power tools to prevent slippage and shedding during rotation.
- 31 Step 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) 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)
- [M2 HSS]: Cuts A LOT MORE CLEAN holes and much EASIER than average step bits. In general, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving durability. Our additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
- [Non-stop]: Our Polished Steps and Size Highlights let you able to see target hole size during drilling. No need to stop in the middle of the drilling and check. Save you time and hassle.
- [Easier | Faster | Cleaner]: With our high-accuracy CNC processing and several optimized design details over the years, our design cuts EASY, FAST and CLEAN, outperforming the average ones on the market.
- [Heavy duty]: Cuts holes on Stainless steel (need appropriate pressure), Hardened Metal, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for Stainless steel.
- [Multi Hole Sizes]: No need to buy a kit. This one step bit comes with 10 marked sizes so you can drill 10 different hole sizes, saving your time and efforts to change bits. Marked sizes including: 1/4", 3/8", 19/32", 3/4", 1", 1-3/16", 1-3/8", 1-5/8", 1-3/4", 2".
- FOUR FLUTE STEP DRILL BIT - Deflection during cutting is a common problem with ordinary step drills, but our four flute step drill bit is designed to provide greater stability. With improved accuracy and cutting speed, it's perfect for stainless steel drilling and offers several times the service life of ordinary step drills.
- M35 COBALT HSS - For hard materials, M35 cobalt HSS is the way to go. With its high hardness (HRC 64-66), red hardness, and wear resistance, it's perfect for the toughest jobs. And thanks to proper heat treatment, it boasts higher toughness and bending strength than ordinary high-speed steel.
- TiAlN COATING - Our TiAlN coating is a cutting-edge material with exceptional properties. It's extremely hard, can withstand high oxidation temperatures, and has excellent thermal hardness. Plus, it boasts strong adhesion, a low friction coefficient, and low thermal conductivity, making it an ideal choice for demanding applications.
- LARGER CUTTING ANGLE - When it comes to drilling hard materials, the angle of the drill tip matters. That's why we've designed our drill bits with a 135° cutting angle. This angle reduces self-wear and provides a larger stress area, resulting in cleaner, more efficient drilling.
- TIPS - Use these tips to keep your drill in top condition: add cutting oil or spray water to cool during continuous use, the start-up speed will be slower due to the larger cutting angle, any quality problems, please feel free to contact us . We stand behind our products and back them with a 100-day warranty for your peace of mind.
How to choose a good step drill bits
Does the idea of finding a fantastic step drill bits make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in step drill bits. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top step drill bits products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top step drill bits on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top step drill bits brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top step drill bits based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the step drill bits were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good step drill bits, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your step drill bits.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting step drill bits for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our step drill bits. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what step drill bits should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on step drill bits.
