Best Step Bits of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Step bits are a type of drill bit that are designed to create holes of varying sizes in thin materials such as metal, plastic, and wood. These bits have a unique stepped design that allows them to gradually increase in diameter as they drill, creating precise holes without the need for multiple bits. Step bits are ideal for DIY enthusiasts and professionals alike, offering a convenient and efficient way to drill holes with ease. Whether you're working on a home improvement project, or need to create holes in sheet metal for your business, step bits are a versatile and reliable tool to have in your kit.
At a Glance: Our Top Picks
Top 10 Step Bits
YOKOCUT HSS Titanium Step Drill Bit Set
The YOKOCUT Step Drill Bit is crafted from 100% genuine HSS 4241, ensuring durability and reliability for your drilling tasks. Its titanium coating enhances its performance, making it more capable in various materials. You will find the two-flute design beneficial for smoother cutting, which allows for cleaner holes. Additionally, the high step design prevents accidental drilling to larger sizes, giving you precise control over your project.
DOVAMAN 5PCS Titanium-Coated Step Drill Bit Set
The DOVAMAN Step Drill Set is designed to meet your diverse drilling needs with its versatile range of bit sizes. You can easily drill up to 47 different hole sizes without the hassle of changing bits, making your projects more efficient. Made from high-speed steel with a titanium coating, these bits offer exceptional durability and longevity. The innovative dual-blade design promotes smooth cutting and allows for easy expulsion of materials, ensuring a clean and precise drilling experience every time.
YOKOCUT HSS Titanium Step Drill Bit Set
The YOKOCUT Step Drill Bit is crafted from 100% genuine HSS 4241, ensuring high durability and performance. It is perfect for drilling holes in various materials, including iron, copper, aluminium, wood, and PVC sheets. Its titanium coating enhances toughness, making it more capable for your DIY projects. The two-flute design allows for smoother cutting, reducing the effort needed during use. Additionally, the high step design prevents accidental drilling of larger holes, providing you with greater control and precision.
YOKOCUT Cobalt Step Drill Bit for Metal
The YOKOCUT Cobalt Step Bit is designed for precision and efficiency, allowing you to drill holes ranging from 4mm to 32mm with 15 incremental steps. Made from premium HSS Cobalt M35 steel, it offers excellent heat and wear resistance, ensuring a longer lifespan for the tool. You will find that it runs three times faster than standard bits, making it ideal for tackling tough materials like stainless steel and sheet metal. Its specially ground cutting edge enhances performance, making drilling through various materials easier and more effective.
YOKOCUT 6PCS Step Drill Bits Set
The YOKOCUT Step Drill Bits are crafted from high-speed steel with a titanium coating, ensuring reduced friction for smoother cutting. You can easily drill through materials like iron, aluminium, wood, and plastic, with a range of sizes from 4mm to 35mm to suit your needs. The automatic centre punch feature increases impact force, making it easier to mark precise points before drilling. Additionally, the innovative design includes a split point and double groove, which helps prevent waste and ensures a clean cut every time.
4mm to 20mm Spiral Flute Step Drill Bit
The Rennie Step Drill Bit is designed for precision drilling in various materials, such as steel, wood, and plastic. With its two-flute spiral groove, it offers a fast and smooth cutting experience, making it ideal for both professional and home use. The bit features nine clearly marked steps, allowing you to drill accurately sized holes from 4mm to 20mm. Additionally, its high-speed steel construction with a titanium coating enhances durability and ease of use, ensuring a longer tool life for your drilling projects.
SS SHOVAN 3PCS HSS Spiral Step Drill Set
The SS SHOVAN Step Drill Bits are designed for efficient drilling with their upgraded four-flute spiral design, which helps prevent metal splatter and makes swarf removal easier. The 118° X type openings ensure quicker, smoother drilling, while the 1/4" hex shank eliminates slipping, making it ideal for various materials like plastic, metal, and wood. Crafted from durable titanium-coated HSS 4341 steel, these bits offer excellent wear and corrosion resistance, ensuring longevity. Whether you're expanding holes or doing precision work, this set is a must-have for DIY enthusiasts.
YOKOCUT HSS Titanium Step Drill Bit 5-35MM
The YOKOCUT Step Drill Bit is crafted from genuine HSS 4241 and features a durable titanium coating, ensuring longevity and performance. This versatile tool is ideal for drilling holes in materials like iron, copper, aluminium, wood, and PVC sheets, making it perfect for various DIY projects. Its dual spiral flute design allows for fast and smooth cutting, enhancing your drilling experience. The high step design prevents accidental over-drilling, giving you greater control and precision.
DIWUJI Spiral Grooved Step Drill Bit Set
The DIWUJI Step Drill Bit Set features a two-flute spiral groove design, allowing for faster and smoother cutting. This means you can tackle your DIY projects with ease, making clean holes without the hassle of bit changes. Made from high-speed steel and titanium coated, these bits ensure easy cutting through materials like metal, wood, and plastic. The 1/4" hex shank fits securely in most drills, providing a stable connection that eliminates slippage as you work.
12 Size Titanium Step Drill Bit for DIY
The LSDZHK Step Drill offers an impressive range of 12 hole sizes, allowing you to tackle various projects without the hassle of changing bits frequently. Its durable titanium coating enhances wear resistance, ensuring you achieve better and faster drilling performance. Designed for universal compatibility, this drill bit can effortlessly drill through materials such as acrylic, PVC, wood, aluminium, and iron sheets. Additionally, it is easy to use, requiring minimal shaking and eliminating the need for centre punching, making it suitable for both beginners and experienced DIY enthusiasts.
Frequently Asked Questions (FAQs)
1. What are step bits?
A Step Drill Bit is a drill bit that allows you to drill multiple sized holes with one bit. It gradually increases as you go down the bit. It's like the shape of a cone. It allows you to do multiple sizes holes without the need of changing bits. It is used to enlarge a hole.
2. Are Step bits any good?
Unibits and step drills work exceptionally well on sheet metal. They can be used on other materials as well, but you won't get a straight smooth-walled hole in solid materials thicker than the step height. Step bits are incredibly useful for one-step drilling operations, but they're not suitable for all operations.
3. What are step down bits used for?
A step drill bit can be used to drill a range of different sized holes with a single bit. Since each bit size drill holes less than 1/4″ deep, a step bit is mainly used for drilling thin material such as sheet metal.
During our step bit research, we found 306 step bit products and shortlisted 10 quality products. We collected and analyzed 19,300 customer reviews through our big data system to write the step bits list. We found that most customers choose step bits with an average price of £11.88.
The step bits are available for purchase. We have researched hundreds of brands and picked the top brands of step bits, including YOKOCUT, DOVAMAN, Rennie Tool Company, SS SHOVAN, DIWUJI. The seller of top 1 product has received honest feedback from 238 consumers with an average rating of 4.8.

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.