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Erbauer’s diamond-tipped core drill set is mighty in more ways than one. For that sizable price tag, you get three core drills in key sizes, all stored in a high-quality flight case. As well as the 38, 52 and 117mm core drills, it features a 200mm extension bar for deeper drilling, 115mm SDS adapter, 90mm hex adapter, an 8 x 205mm pilot drill, and a 75mm drift key to help remove the pilot bit from the pilot hole. How to choose the best masonry drill bit for you What are tungsten carbide and diamond-tipped masonry drill bits? Regular masonry drills are available in diameters up to 25 or 30mm, but if you need to make a larger diameter hole – to run plumbing pipes through walls, for example – then you’ll need a masonry core drill bit. These large, hollow, cylinder-shaped bits have diamond-tipped teeth that effectively cut a circle in your masonry. Once you’ve drilled through, you’ll be left with the waste material inside the core bit. The beauty of core bits is that you’re left with a perfect hole, ensuring a snug fit. There are five bits in the set, which come in two lengths – both of which are longer than is common at these diameters – and are stored in a plastic case. The tips are tungsten carbide, while the drill bit is made from hardened steel and features U-shaped flutes that are designed to efficiently sweep out debris from the drill hole. Proving that a good set of SDS Plus drill bits needn’t cost the earth is this set from Wigan-based UK Drills. The SDS Plus set includes seven bits in five diameters and two lengths, presented in a robust metal case – which should shrug off damage better than the brittle plastic alternatives.
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READ NEXT: The best cordless drills to buy The best masonry drill bits you can buy in 2023 1. DeWalt DT6952-QZ masonry drill bit set: Best tungsten masonry drill bit set When it comes to drill bits, all things aren’t equal. Made from a variety of materials and designed to drill through different surfaces, masonry drill bits need to be among the toughest of the bunch. Suitable for wet and dry cutting through a variety of materials, the larger core drill bit is ideal for soil pipe and boiler flues, and the smaller pairing for 32mm pipe and 42mm waste pipes. This is a high-quality set that’s well-suited to any kind of major plumbing or electrical jobs.The bits themselves feature a tungsten carbide tip and a fully hardened shaft, making them suitable for drilling concrete, tiles and even granite. The four-spline SDS Plus configuration means that the bits will fit securely into your hammer drill. Importantly, all products from UK Drills are manufactured to British ISO and DIN standards.