Best Step Bits for Copper of 2026
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Step bits for copper are specialized drill bits designed to make clean and precise holes in copper materials. These bits are made with high-speed steel and feature a unique step design that allows for multiple hole sizes with just one bit. They are ideal for use in electrical work, plumbing, and HVAC installations where copper piping and wiring are commonly used. With their ability to create smooth and burr-free holes, step bits for copper make the job easier and more efficient. Whether you are a DIY enthusiast or a professional tradesperson, these bits are a valuable addition to your toolbox.
At a Glance: Our Top Picks
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9.8
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9.7
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9.5
Top 4 Step Bits for Copper
KASAFE M35 Cobalt Step Drill Bit 3-13mm
The KASAFE M35 Step Bit is crafted from premium M35 cobalt high-speed steel, giving you twice the hardness of standard bits. This means you can drill through tough metals like stainless steel and cast iron, as well as softer metals such as copper and aluminium, with less wear and longer bit life. Its 118° split point tip self-centres for precise hole starts without needing a pilot hole, saving you time and effort. The spiral flute design efficiently removes metal shavings, preventing clogs and helping you achieve clean, burr-free holes quickly. With 11 step sizes from 3 to 13mm, you can easily drill or enlarge holes without changing bits, making your work faster and more convenient.
KASAFE M35 Cobalt HSS 11-Step Drill Bit 6-24mm
The KASAFE M35 Step Drill is crafted from premium M35 cobalt high-speed steel, giving you twice the hardness of standard bits and making it ideal for drilling through both hard metals like stainless steel and soft metals such as copper and aluminium. Its 118° split point tip helps you start holes precisely without wandering, even on uneven surfaces, saving you time and effort. The spiral flute design efficiently clears metal shavings, preventing clogs and ensuring clean, burr-free holes. With 11 step sizes from 6 to 24mm, this versatile bit lets you drill or enlarge holes easily without frequently changing bits, speeding up your work.
LEKOMESH Cobalt Step Drill Bit Set
The LEKOMESH Step Drill Bit is designed for precision and versatility. With a diameter range of 4-22mm, it provides ten different sizes to meet your various drilling needs. The 118° split point enhances accuracy, ensuring that you can drill through materials like stainless steel, aluminium, and wood with ease. Its industrial coating offers protection against thermal, abrasion, and corrosion, prolonging the bit's lifespan. For optimal performance, using cutting oil or water cooling is recommended, allowing you to enjoy an efficient drilling experience.
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.
Frequently Asked Questions (FAQs)
1. What is the best drill bit for copper?
Copper is a soft metal and will drill through readily with a high-speed steel drill bit. However, if you're planning to drill multiple holes, a carbide bit or a cobalt-tipped drill bit is a better and longer-lasting alternative.
2. Can you use a step drill bit on metal?
Step drills are drill bits easy to cut and enlarge a wide range of holes on thin sheet metal, plastic and other materials at a lower speed. Due to the stepped design of multiple diameters, you can drill different-sized holes by one or two step drills.
3. What are step bits good for?
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.
During our step bit for copper research, we found 84 step bit for copper products and shortlisted 4 quality products. We collected and analyzed 6,221 customer reviews through our big data system to write the step bits for copper list. We found that most customers choose step bits for copper with an average price of £15.65.
The step bits for copper are available for purchase. We have researched hundreds of brands and picked the top brands of step bits for copper, including KASAFE, LEKOMESH, Rennie Tool Company.
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.