Why the Right Drill Bit Matters

Whether you're drilling through concrete, metal, or wood, using the right drill bit makes all the difference in both safety and performance. Selecting the wrong bit can lead to tool damage, poor workmanship, or even injury.

At Avex Tool Shop, we offer a wide variety of drill bits suited for every task, from DIY projects to industrial drilling. Here’s a breakdown of the most common types and what you need to know before choosing one.

1. Twist Drill Bits

These are the most common drill bits and are ideal for general-purpose drilling into wood, plastic, and metal. They are a go-to for most homeowners and contractors.

Best for: General use
Pro tip: Start with a small pilot hole before using larger bits for precision.

2. Masonry Bits

Designed with a carbide tip for durability, masonry bits are used for drilling into brick, stone, concrete, and mortar.

Best for: Wall plugs, mounting brackets, and outdoor fittings
Pro tip: Use with a hammer drill for best results.

3. Spade Bits

Spade bits have a flat blade with sharp points, perfect for fast drilling in wood. They create wide holes, useful for cable or pipe installation.

Best for: Electrical work, carpentry, and plumbing
Pro tip: Drill slowly to avoid wood splintering.

4. Hole Saws

A hole saw is a ring-shaped blade used to cut large, clean holes in wood, drywall, or even metal when fitted with the correct teeth.

Best for: Door hardware, pipe installation, and downlights
Pro tip: Use a pilot bit in the centre to guide the hole saw evenly.

5. Step Drill Bits

Step bits taper in a cone-like shape and are great for drilling holes of varying sizes in thin metals or plastics.

Best for: Sheet metal and plastic panels
Pro tip: Ideal for enlarging existing holes without switching bits.

6. Auger Bits

These are long, screw-tipped bits designed for deep holes in wood. They remove material efficiently, making them popular among electricians and plumbers.

Best for: Timber frames, beams, and deep bore drilling
Pro tip: Use a low-speed drill to maintain control.

7. Forstner Bits

Forstner bits create flat-bottomed holes with clean edges, mainly used in woodworking and cabinetry.

Best for: Hidden hinges, joinery, and furniture making
Pro tip: Best used with a drill press for precision.

Find the Right Drill Bits at Avex Tool Shop

We stock a wide selection of drill bits and accessories to suit every application,from standard twist bits to specialty designs.

Browse our collection:

• Drill Bits & Accessories
  
  
• Cordless Drills & Drivers

Choosing the Right Bit for the Job

To avoid damaging your tools or materials:

• Match the bit to the material (metal, wood, masonry, etc.)
  
  
• Consider the size of the hole required
  
  
• Choose the right drill speed
  
  
• Inspect bits for dullness or wear
  
  

If you're unsure, contact our expert support team for personalised recommendations.

Why Shop at Avex Tool Shop?

We make it easy to shop smart and drill right:

• Wide variety of high-quality drill bits and power tools
  
  
• Trusted brands like Tork Craft, Alpen, and Makita
  
  
• Nationwide delivery to Johannesburg, Durban, Cape Town, and more
  
  
• Easy-to-use website and secure payment options
  
  
• Expert advice for beginners and professionals alike

Ready to Get Drilling?

Explore our range of drill bits to find exactly what you need for your next task.
Need help? Contact us for expert advice tailored to your project.