Drill Bits
Find the right drill bits for brick, wood, metal and general work. The range includes masonry drill bits, wood drill bits, HSS drill bits and SDS drill bits, in single sizes and as a drill bit set, from brands such as Bosch, Rawlplug, SupaTool, DeWalt, Abracs and Vitrex.
Match the bit to the material. Masonry drill piece styles with a carbide tip suit brick, block and concrete, and are used with a hammer action drill. HSS twist bits cut metal and are also fine in softwood, while flat and brad point styles give cleaner holes in timber. If you are using an SDS drill, you need SDS-plus shank bits that lock into the chuck, not round shank ones.
A masonry drill bit set or drill piece set is good value if you work across several wall fixings, as plug sizes are usually 5mm to 8mm. For a one off job, buy the exact diameter and length instead. Check the working length too, because it needs to be deeper than the plug or screw you plan to use.
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How to choose drill bits
The material you are drilling decides the bit.
| Option | Best for | Things to know |
|---|---|---|
| HSS bits | Metal, plastic and wood | Use slow speed and cutting fluid on steel |
| Masonry bits | Brick, block and plaster | Use hammer mode only on solid masonry |
| Wood or brad point bits | Clean, accurate holes in timber | Centre point stops wandering |
| Tile and glass bits | Ceramic tiles and glass | Drill slowly without hammer action |
| SDS bits | Concrete and hard masonry | Only fit SDS drills |
| Spade bits and hole saws | Large holes for pipes and cables | Clamp the work and hold the drill firmly |
Drill Bits: frequently asked questions
What is the difference between SDS and standard drill bits?
SDS bits have a grooved shank that locks into an SDS drill chuck, which allows a hammering action. Standard round shank bits fit a normal three jaw chuck.
Which drill bit do I use for brick?
Use a masonry drill bit with a carbide tip, fitted to a drill set to hammer action. Drill slowly and clear dust from the hole as you go.
Can I use HSS drill bits on wood?
Yes, HSS bits work in wood and metal, although wood specific bits such as flat or brad point give a cleaner hole in timber.
What size drill bit do I need for a wall plug?
The plug packaging states the hole size, commonly 6mm, 7mm or 8mm. Match the bit diameter to this and drill slightly deeper than the plug.
Is a drill bit set worth buying?
A drill bit set suits general use where you need several sizes. Buy single bits when you only need one diameter or a longer length.
Can masonry bits drill tile?
They can chip glazed tiles. Use a bit made for tile or glass and low speed, without hammer action, to avoid cracking.
Buying in bulk or for your business?
Landlords, trades and facilities teams can ask us for a quote on larger quantities.