By A-Class Pro Tools

11/25/2025 For tradespeople, drill bits are more than just a tool – they're an essential part of getting the job done right. Whether you're working on wood, metal, concrete, or glass, using the right drill bit is key to achieving precision and efficiency.
With so many types available, knowing which drill bits to keep on hand can make a huge difference in how quickly and effectively you complete your projects.
Let's take a closer look at the top 10 drill bits every Australian tradesperson should have in their toolkit, starting with some of our high-quality bits that will make your work easier and more efficient.
1. Step Drill BitsStep drill bits are incredibly versatile and a must-have for anyone working with thin materials like metal and plastic. The best part? These bits can drill multiple hole sizes with just one tool.
The design allows you to start with a small hole and gradually increase the diameter, saving you time by eliminating the need to switch between multiple bits.
If you're a tradesperson working with sheet metal or even electrical tasks, step drill bits are essential. They're perfect for creating clean, accurate holes quickly.
Whether you're a plumber, electrician, or mechanic, these bits are ideal for those jobs that require precision but also speed.
2. Glass Drill BitsWorking with delicate materials like glass and ceramics requires a specialized approach. Glass drill bits are designed to make clean, precise holes without cracking or shattering the material. They typically feature a carbide or diamond-coated tip, ensuring durability and smooth drilling through tough materials.
If you frequently work with tiles, glass, or stone in renovations, construction, or even custom installations, glass drill bits will become your best friend. With a set of these, you'll be able to tackle those delicate projects with confidence, ensuring the material stays intact.
3. HSS Drill BitsHSS (High-Speed Steel) drill bits are well-known for their reliability and versatility. Whether you're drilling through wood, plastic, or soft metals, HSS drill bits get the job done. These bits perform well under high heat and pressure, making them durable even during extended use.
Tradespeople in Australia who often deal with softer metals or wood will appreciate the durability and sharpness of HSS drill bits. A good drill bit set with various sizes will ensure you can handle almost any task that comes your way, from carpentry to light metalworking.
4. Twist Drill BitsSimple, efficient, and versatile – twist drill bits are one of the most common tools in any tradesperson's kit.
They're designed for general-purpose drilling and can handle everything from wood to plastics and metals. Whether you're installing screws or drilling pilot holes, these bits do it all.
A drill bit set that includes a range of twist bits will cover your bases for most drilling tasks. They're handy for quick, accurate drilling and are a staple in any toolkit.
5. Brad Point Drill BitsFor anyone working with wood, Brad point drill bits are essential. These bits have a sharp center point that helps keep the bit stable, preventing it from wandering or slipping while you drill. This makes them perfect for woodworkers looking to create precise, clean holes without splitting or splintering the material.
When it comes to drilling into timber, these bits give you control and accuracy, making them a must-have for carpenters, furniture makers, and anyone working with wood in Australia.
6. Masonry Drill BitsConcrete, brick, and stone require heavy-duty tools, and masonry drill bits are specifically designed to handle these tough materials.
These bits typically have a carbide tip that can withstand the extreme pressure required to drill through hard surfaces.
For tradespeople working in construction, plumbing, or even landscaping, masonry drill bits are indispensable.
They allow you to drill clean holes in walls and foundations, which is essential for tasks like installing anchors, running pipes, or mounting shelves.
7. Cobalt Drill BitsWhen drilling through tougher metals like stainless steel or cast iron, cobalt drill bits are the way to go. These bits are made from a blend of cobalt and high-speed steel, making them resistant to heat and wear.
This is especially important when you're drilling into hard metals that generate a lot of heat during the process.
If you're a tradesperson who frequently works with heavy-duty metal applications, cobalt drill bits should be a part of your toolkit. They'll help you power through the hardest materials without losing sharpness or efficiency.
8. Countersink Drill BitsCountersink drill bits are designed to create a conical hole, allowing screws to sit flush with the surface of the material. This is crucial when you need a neat, professional finish, especially in wood or metalwork.
Tradespeople working with cabinetry, framing, or furniture building will find these bits extremely useful. They help achieve a smooth, flush surface when inserting screws, ensuring a clean, polished look for your projects.
9. Auger Drill BitsIf you need to drill deep holes in wood, auger drill bits are the perfect solution. These bits have a spiral design that helps to pull the bit into the material, making the drilling process more efficient and less labor-intensive.
For anyone working with thick or dense timber, especially in construction or decking, auger drill bits are a must-have. They allow for quick, precise drilling, even in tough wood, which makes your job easier and faster.
10. Diamond Drill BitsFor tasks that involve drilling through tough materials like glass, tile, stone, and ceramics, diamond drill bits are essential.
These bits feature diamond-coated tips, providing the hardness and precision needed to drill through harsh surfaces without causing cracks or chips.
If you're working in tile laying, glazing, or glass installation in Australia, diamond drill bits are invaluable. They allow for accurate and smooth cuts, ensuring that your projects look polished and professional.
ConclusionHaving the right drill bits for your work is essential for achieving quality results. Whether you're using step drill bits for versatility, glass drill bits for precision, or HSS drill bits for general tasks, stocking up on the right tools ensures that you can tackle any project with confidence.
By investing in high-quality drill bits like those in the drill bit set available at A-Class Pro Tools, you'll be prepared for any task, from light metalworking to heavy-duty drilling.
Don't settle for less – having the right tools in your kit will make your work easier, faster, and more efficient.