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Pankaj Joshi

Pankaj Joshi

Carefully curated and recommended by our expert.

Choosing the right bit for your drill is paramount to completing the task at hand. Your choice of drill bits can have an impact on the accuracy and finish of the drilled hole. Some bits can produce clean and accurate holes while others can lead to drill holes that are edgy and rough. This guide intends to educate you about the right drill type for your requirements.

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Types of Drill Bits

Materials that go into the making of drill bits and their finishing have an impact on the overall performance of the bit. Some of the commonly used materials for drill bits and finishes are explained below:

1. High-Speed Steel (HSS) bits:

These bits are capable of drilling polyvinyl chloride(PVC), wood, fiberglass and metals such as aluminium.

High-Speed Steel (HSS) bits

High-Speed Steel (HSS) bits

Cobalt Drill Bits

Cobalt Drill Bits

2. Cobalt Drill Bits:

Cobalt drill bits are hard and are used for drilling stainless steel and other tough alloys.

3. Black oxide-coated HSS drill bits:

These drill bits are resistant to corrosion and are more durable than the standard high-speed steel bits. These drill bits work effectively on the hardwood, metal, PVC, and fiberglass.

Black oxide-coated HSS drill bits

Black oxide-coated HSS drill bits

Titanium-Coated Hss Drill Bits

Titanium-Coated Hss Drill Bits

4. Titanium-coated HSS drill bits:

These drill bits are comparatively tougher than standard HSS drill bits, have a better shelf life and are sharp enough to drill wood, PVC, and fiberglass.

5. Carbide-tipped drill bits:

These are bits are the toughest of all drill bits and are used for drilling tiles and masonry.

Carbide-tipped drill bits

Carbide-tipped drill bits

Twist Drill Bits

Twist Drill Bits

6. Twist Drill Bits:

These are popularly used in homes for drilling wood and plastic.

7. Brad Point Drill Bits:

These drill bits are meant for drilling wood and have a prominent brad at the tip of the bit which aids in precision drilling.

Brad Point Drill Bits

Brad Point Drill Bits


Auger Drill Bits

Auger Drill Bits

8. Auger Drill Bits:

These bits, too, are designed for drilling wood. They have a screw tip which drives the hole into the wood material. These bits can be as long as 18 inches and are used in woodwork to create a clear hole.

9. paddle Bits:

These are also known as Spade bits. They are used mainly for drilling holes of large diameter, as large as one and a half inches. When used along with hand drills, spade bits bring out the best.

Paddle Bits

Paddle Bits

Step Drill Bits

Step Drill Bits

10. Step Drill Bits:

These bits are fashioned to drill into thin materials and are capable of drilling holes of varying diameters.