Best Hex Core Drill Bits of 2026

SALI Core Drill 2" is a versatile tool designed for drilling concrete, brick, masonry, and more. The package includes essential adapters for different drills. With a 10" drilling depth and turbo laser-welded segments, it ensures efficient and smooth drilling. The simple operation allows you to start drilling vertically, making your task easier. The premium components and high-quality diamond grits provide a longer coring life, ensuring durability and precision.

The REKCKRUL Diamond Drill Bits are designed with industrial-grade diamond particles and advanced vacuum brazing to ensure they last longer and resist heat better. This means you can work on tough materials like ceramic, glass, and granite without worrying about quick wear. These bits are great for both dry and wet drilling, giving you the option to add water for cooler operation and extended tool life, or to drill dry for convenience. The 1/4-inch hex shank fits securely into your drill, preventing slipping and wobbling, so you can drill precisely and efficiently at high speeds. Plus, the set includes five sizes, making it versatile for various projects from small crafts to big renovations.

The EXFEIN Diamond Drill Kit offers a versatile 12-piece set designed for drilling and trimming holes in materials like porcelain, ceramic tile, marble, and granite. It includes multiple diamond core drill bits in various sizes, finger bits for enlarging holes, and a chamfer bit for smoothing edges, giving you everything needed for precise work. The kit works with a 5/8" arbor angle grinder and can also be adapted for use with a hand drill, provided you keep the speed above 2000 RPM and avoid impact mode. Thanks to vacuum brazed technology, the bits combine durable steel with diamonds for efficient performance and longer life, helping you complete your projects with ease.

The SALI Diamond Core Drill is designed to make your drilling tasks easier and more efficient. This set includes a 2.5-inch diameter drill bit with a 10-inch drilling depth, perfect for reaching deep into materials. It comes with two adapters, allowing you to connect it to different drill types, giving you more flexibility. You can use this drill bit on various materials like concrete, brick, and masonry, making it ideal for projects like installing pipes or railings. Plus, it works best when used dry and in a vertical position, so you get smooth and controlled drilling every time.

The DKIBBITH Diamond Core Bit is a versatile tool perfect for creating clean holes in tough materials like ceramic, granite, and concrete. It fits both angle grinders and electric drills, giving you flexibility depending on your tool setup. This bit is designed to cut through rough surfaces quickly and efficiently, whether you’re working dry or wet, making your job easier and faster. Plus, its durable diamond coating means it stays sharp longer, so you won’t need to replace it often. This tool is ideal for projects like installing plumbing fixtures or air conditioning units where precise holes are essential.

The REKCKRUL Diamond Drill Set is a versatile tool designed to help you easily drill and smooth edges on materials like tile, glass, marble, and ceramic. Its dual-purpose design lets you both create precise holes and clean up edges, making your projects look professional. The drill bits use tough, industrial-grade diamond particles and a special brazing process, so they last longer and resist heat well, even during heavy use. You can choose to drill dry for convenience or add water to keep the bits cool and extend their life. Plus, the secure hex shank design means your drill bits stay firmly in place, giving you steady, accurate drilling every time.

The DAYDOOR Diamond Hole Saw is a versatile 13-piece set designed for drilling through various materials, including porcelain tiles, granite, and marble. Made from high-quality diamond and carbon steel, these tools ensure durability and efficiency, allowing you to complete projects with ease. The hollow design and U-shaped grooves facilitate quick debris removal and minimize heat buildup, enhancing your drilling experience. With multiple sizes included, you can tackle a wide range of tasks, making it a practical choice for both DIYers and professionals alike.

Introducing the SHDIATOOL Diamond Core Drill Bits, a must-have for your drilling needs. These high-quality drill bits are designed for dry or wet drilling on porcelain, ceramic tile, marble, brick, and normal stone. With a diameter of 6mm/1/4" and a diamond height of 10mm, these bits provide fast and smooth drilling. The inside of the drill bit is filled with dense cooling wax to keep the diamond bits cool during operation. Plus, with the 5/8-11 connection and compatibility with angle grinders, these drill bits are incredibly easy to use. Upgrade your drilling experience with the SHDIATOOL Core Drill Bits.

The BTBLBITS Diamond Core Drill Bit is a versatile tool that allows you to easily cut clean holes in various materials such as tile, ceramic, granite, marble, masonry, concrete, stone, and brick. With a diameter of 1-1/2" (38mm) and a threaded 5/8-11 design, it is compatible with angle grinders and can also be used with electric drills using the included 3/8" hex shank adapter. The diamond height of 10mm ensures fast and smooth drilling, while the vacuum brazed diamond technology makes this drill bit heavy-duty, wear-resistant, and durable. Whether you're working on plumbing installations, shower/tub grab bars, or other projects, the BTBLBITS Diamond Core Drill Bit is an excellent choice for its efficiency, speed, and reliability.

SHDIATOOL Diamond Core Drill Bits are designed for drilling hard granite, marble, engineering stone, concrete, brick. With a diameter of 35mm and a total length of 100mm, these laser welded diamond dry drilling core bits can be used for dry or wet drilling, which will prolong the segment life. They can be easily operated on an Angle Grinder with a 5/8"-11 thread. For other machines, an adapter such as SDS, hex, round plus shank is needed.