The 10 Best Core Drill Bits
This wiki has been updated 13 times since it was first published in March of 2017. Engineered for boring into tough materials, like concrete, stone, ceramic and tile, these coring bits will enable you to take on challenging drilling tasks. With both wet and dry operation modes and several width and depth options, the models on this list are suitable for a variety of applications and for professional contractors and DIY-ers alike. When users buy our independently chosen editorial picks, we may earn commissions to help fund the Wiki. If you'd like to contribute your own research to the Wiki, please get started by reviewing this introductory video.
August 16, 2019:
In reviewing the list, we noted that while the Concord Blades CBD0400HP is certainly a functional bit, there were minor issues associated with it that led us to move it out of the top spot. Reports suggest that it wears out somewhat quickly when used extensively and lacks a pilot bit, which can cause skidding when working on concrete.
Given its price and effectiveness, users seem to find great value in the EDiamondTools Grit. We noted its ability to bore through both bricks and concrete blocks with speed and fluidity, leading us to give it a bump in the rankings.
Each of the three new additions to the list brings something a little bit different to the table. While the Baban Ceramic is designed for precision jobs on materials like glass, ceramics, or porcelain, the Shdiatool Laser can be used on just about anything, from concrete to hard marble. On the other hand, the Bosch Max is tailor-made for a hammer drill, capable of producing large holes in thick concrete or brick. We noted this model’s exceptional efficiency.
Dynatech O.D. Premium When it comes to drill bits, the term “one size fits all” does not apply, so it’s nice that this line from Dynatech is available in such a huge variety of sizes. They all have a 13-inch depth capacity, and they’ll operate smoothly on anything from hard concrete to soft asphalt. dynatech.com
Diamax Cyclone Ultra Ideal for use with an angle grinder or a pneumatic machine, the Cyclone Ultra is both versatile and aggressive. Its relatively short length affords the user plenty of control, and its beveled segments make it easy to get the hole started. diamaxinc.com
McMaster-Carr Whatever trade you specialize in, this selection from McMaster-Carr should include a piece that will make your life easier. Some bits are designed for specific materials, such as masonry, glass, or wood, while others offer special features, like dust containment mechanisms or built-in pilot guides. mcmaster.com