A Guide to Drill Bits: What You Need to Know About the Different Types

If you're in the market for drill bits, you need to know about the different types of drill bits and what they're used for. There are many different drill bit sizes and shapes, and each is designed for a specific purpose.

This post highlights the different types of drill bits and how to choose the right one for your project.

Twist Drill Bits

The most common type of drill bit is the twist drill bit. They are used for drilling holes in various materials, including wood, plastic and metal. The drill bit is composed of a spiral flute that spirals down the length of the drill bit. The cutting edge is located at the tip of the drill bit.

The drill bit is rotated in a drill, and the cutting edge cuts into the material. The flutes on the drill bit remove the chips of material as it drills. This way, the drill bit doesn't get clogged with material as it drills through.

Twist drill bits come in many sizes, from small drill bits for drilling holes in jewellery to large drill bits for drilling holes in concrete. The size of the drill bit is determined by the diameter of the drill bit. You can use them with hand-held power drills, drill presses or machining centres.

Spade Drill Bits

Spade drill bits are a type of power tool accessory that is commonly used for boring holes in wood. As their name suggests, spade drill bits have a spade-shaped tip that helps to remove material quickly and efficiently. The drill bit has a flat, wide tip that is used to drill a hole in the material. The cutting edge is located on the side of the drill bit.

While they are primarily designed for use with wood, spade drill bits can also be used on other materials such as plaster and drywall. In addition, spade drill bits are often used in applications where a large hole needs to be drilled quickly, such as when installing electrical wiring or plumbing pipes.

Brad Point Drill Bits 

Brad point drill bits are similar to twist drill bits, but with a few key differences. Brad point drill bits have a sharp point that helps the drill bit to start drilling in the material without slipping. The cutting edge is located on the side of the drill bit.

Brad point drill bits are one of the most versatile and widely used types of drill bits. The defining feature of a brad point drill bit is its sharp tip that allows the bit to create a clean, precise hole in a variety of materials, including wood, plastic and metal.

The brad point drill bit is also equipped with a pair of cutting lips that flank the tip. These lips keep the bit from walking across the surface of the material as it drills. As a result, brad point drill bits are well suited for a wide range of precision-based applications, including handyman projects, carpentry work and manufacturing.

Contact a company like Illawarra Fasteners Pty Ltd to learn more. 


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