We recommend using a multi-material or construction bit. For example when wall framing, you may have to drill through tile and compressed cement sheets. There may be times where you have to drill through multiple layers of materials. Keep area wet while drilling with diamond bits You can also use a fresh and sharp standard masonry bit. These bits must be kept wet while drilling. We recommend using a specialised diamond core bit or glass and tile spade bit for these. For very dense igneous rocks like granite or basalt, you may need to use specialised drill bits. Note that if drilling tiles, hammer setting might crack them. In most cases, we recommend using a hammer drill on hammer setting to aid the drilling process. Masonry (brick, roof, wall or floor tiles, blocks, concrete and stone)Ī masonry bit should be used for these materials. A fast drill can heat up and melt the material, resulting in swarf melting and sticking onto the material you are trying to drill into. However, it is advisable to run your drill at a lower speed. These can easily be drilled with HSS bits. These higher hardness level metals are best drilled using a cobalt bit. Hard metals (stainless steel, bronze or cast iron) These softer metals can be drilled using a sharp HSS bit. Soft metals (sheet metal, aluminium, copper or brass) Timber (hardwood, softwood, MDF or chipboard)įor these natural and manufactured timbers, we advise using high speed steel bits, or HSS. Here are some common materials and the type of bits best suited for them: The type of material you are drilling into plays a huge role in selecting the right type of drill bit for your project. Here is our guide to selecting and using the right drill bit so you end up with a fantastic result every time. However, there are many types of drill bits available, and it can be tricky to work out which one you need for your project. It can help you use your power drill efficiently and safely. Choosing the right drill bit plays a huge role in making your drilling project is a success.
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