When starting your DIY journey, I’d recommend at least having a good set of HSS twist bits and some masonry bits (opens in new tab), however for more than just your basic holes in the wall, you may want to expand your collection to include the more specialised wood bits as covered above. These bits range in size from 4mm to 16mm and can come in huge lengths of up to 400mm to enable you to drill through walls. You will need to pull out the bit from the material often to prevent dust build up as this can make drilling more difficult and cause overheating. These are best used on a slow rotational speed to prevent overheating and can be used in hammer mode and in gear 1 for tougher jobs. Tile drill bitsįeaturing a larger angled tip, masonry drill bits are used to bore into brick, concrete, quarry tiles, stone, and breezeblock. There are also other common types of wood drill bits you may come across for your projects: a countersink with clearance drill bit, a flat wood bit, a plug cutter, a hole saw and a forstner bit. The sizes for this drill bit range from 3 to 10mm. They can be used to drill fast through timber of any type as well as plasterboard (and even some plastics) and are mostly used for drilling holes for dowels when a clean parallel hole is required. Perfect holes can be created with the help of fischer drill bits economically and, depending on product. They also have a sharp double-bladed thread which helps keep the hole straight and clean when drilling through timber. Perfect plugs call for perfect drill holes. These have a sharp point on the end to help grip the wood when beginning to drill. The most common you’ll find is a spur point bit, commonly known as a dowel bit. It’s not often you’d need a wood drill bit for walls, as you can drive screws straight into wooden studs for a superior hold, but when working with plasterboard or working with timber on other building projects, you’ll come across a few different types of wood bits to get the job done right.
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