Drill bits are cutting tools that are used to remove different types of materials to create a hole, generally always in a circular motion. Their operating principle involves a combination of rotational motion and axial force; when attached to a power drill, the bit spins rapidly while downward pressure is applied, allowing the cutting edges to shear away material effectively. Key pieces include the spiral (or flute), which facilitates chip removal and cooling, and guides the bit into the material for precision.
The point angle affects penetration efficiency, with sharper angles suited for harder materials. The lip angle influences cutting action and required pressure, while the functional length determines how deep a hole can be drilled. Finally, the shank connects the bit to the drill and can vary in design, such as straight or hex, to ensure a secure fit.
Having the right size and the right type of drill bit is a key factor in ensuring the highest standard of work and ensures you can drill with confidence and accuracy.
Drill bits are crafted from various materials, each suited for specific tasks based on their unique properties. For instance, high-speed steel (HSS) is a popular choice for general-purpose drilling, known for its balance of durability and affordability; it retains its hardness even at high temperatures, making it ideal for wood, plastic, and softer metals.
In contrast, carbide drill bits are exceptionally hard and wear-resistant, which makes them perfect for drilling through tough materials like stainless steel or masonry. While they offer superior cutting performance, they can be more brittle, requiring careful handling.
Additionally, cobalt drill bits, which contain a percentage of cobalt mixed with HSS, provide enhanced heat resistance and are excellent for drilling hard metals in machine applications, allowing for faster drilling speeds and increased longevity. Thus, each material serves a distinct purpose, ensuring optimal performance across various applications.
Drill bit sizes and lengths are crucial factors that influence drilling efficiency and effectiveness, as they determine the diameter of the hole and the depth achievable. Two of the most common drill bit sizes are 9.53mm and 12.7mm; however, for comparison, the minimum sizes available in drill bit sets can range from as little as 0.3mm all the way up to 16mm, while the maximum sizes can extend from 1.6mm to 80mm.
In addition to these, other common sizes include 13mm, 15mm, 18mm, 23mm, 24mm, and 26mm drill bits, each suited for different tasks. For example, shorter bits are ideal for drilling into surfaces like wood and soft metals where precision is key, while longer bits are suited for deeper drilling applications in thick materials or accessing hidden areas.
Moreover, larger diameter bits are often used for creating pilot holes or for installing hardware, while smaller bits are essential for detailed work, such as drilling for screws or in confined spaces. In summary, selecting the appropriate size and length of drill bit not only enhances the quality of the work but also ensures the right tool for the specific task at hand.
Drill bits are used for various industrial applications according to their unique needs. In the construction industry, for instance, masonry bits are commonly used to drill into concrete and brick, facilitating the installation of fixtures like shelves and electrical systems.
Similarly, in the manufacturing sector, precision drill bits are essential for creating intricate components in automotive and aerospace engineering, where accuracy is paramount. Moreover, in woodworking, brad point and spade bits are employed to achieve clean, precise holes in furniture production and cabinetry.
Additionally, the oil and gas industry relies on specialized drill bits, such as polycrystalline diamond compact (PDC) bits, to penetrate deep into the earth for resource extraction, showcasing their importance in more demanding environments. Furthermore, the electronics sector uses micro drill bits for tasks like printed circuit board (PCB) fabrication, where small, accurate holes are crucial for functionality.
As a trusted and widely recognized supplier of drill bits in Australia, RS stands out for its extensive range of high-quality products available for sale from renowned manufacturers such as Dormer, Sutton Tools, Krino, and Bosch.
By choosing RS, you get to buy from a diverse online selection of drill bits tailored for various applications and benefit from our excellence and reliability. Moreover, our delivery service across Australia ensures that you promptly receive the tools, minimising downtime and enhancing productivity. To learn more about our delivery options, visit our delivery page.
