Traditional steel drill bits are not strong enough to cut through concrete. These drill bits are not able to get sufficient purchase into the concrete surface to create a clean hole. Regular drill bits will also overheat in the effort of trying to drill through concrete. There are several different types of drill bits that can be used to drill through concrete, like concrete, masonry, diamond or carbide drill bits.
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Concrete and Masonry Drill Bits
Concrete and masonry drill bits are categories of drill bits that can drill through hard surfaces that typical drills cannot, like concrete. The tip of a concrete or masonry drill bit is very hard and it can drill into concrete easily. It has a slopped side designed so you can remove debris from the hole easily. This type of drill bit can be found in any hardware store.
Diamond Drill Bits
Diamond drill bits are usually used for drilling into concrete surfaces. The body of this drill bit is made exactly like a steel drill bit. The tip of the diamond drill bit is embedded with an industrial diamond. The diamond tip is incredibly strong and allows the drill bit to dig into concrete with more purchase, in order to make the desired hole.
Carbide Coated Drill Bits
Carbide coated drill bits are very similar to concrete and masonry drill bits. The main difference with these bits is that they are coated with cobalt, carbon or carbide. This metal coating gives the drill bit a very hard tip. Carbide coated drill bits are excellent for precision drilling, as well as cleaning holes, due to their extra hard tips. These bits are also exceptional at enduring the large levels of heat produced when drilling into concrete. This type of drill bit is fairly rare, as it is expensive and difficult to make.
Specialised Masonry Drill Bits
Specialised masonry drill bits allow you to cut neat holes in the shape you need and also fit in the type of drill you have. Choose the right type of specialised drill bit, based on what you need it to do. Some different types of specialised drill bits are spline hammer, slotted driveshaft, slotted driveshaft max, hammer and tapcon. You also can use a specialised masonry core bit, if you are looking to drill a core into concrete.
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