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Whether you need to cut through concrete, tile, asphalt, or stone, U.S. Diamond Tool is your trusted source for premium diamond core bits that deliver unmatched performance and durability. Our wide selection of wet and dry cutting core bits is designed for professionals who demand precision, efficiency, and long-lasting quality in every cut.
Unlike budget-brand bits that wear down quickly, our diamond core bits are engineered to the highest manufacturing standards. This means a longer lifespan, smoother cores, and less downtime on the job. Whether using a core drilling machine or a hand-held drill, our products are built to handle even the most demanding projects easily.
U.S. Diamond Tool also offers carbide core bits for specific drilling needs, giving you even more options to tackle unique materials and applications. Each category of bits includes subcategories for concrete coring, countertops, asphalt, and more—so you can find the perfect bit for your project.
Browse our full range of diamond core bits below or contact our team for expert advice on choosing the right tool for your job. We'll help you find the ideal bit for your core drilling machine and answer any questions you have about our premium diamond blades and accessories. Call today! And we look forward to helping you do the job right the first time.
Our wet cutting core bits are ideal for heavy-duty applications, especially drilling through reinforced concrete. The water cooling system not only increases the bit's life but also ensures faster, cleaner cuts. They are perfect for professional contractors and construction crews who need reliable performance for large-scale projects.
Do you need to cut through brick, block, or masonry without water? Our dry diamond bits get the job done quickly and efficiently. They are compatible with rotary hammers and hammer drill adaptors and should be used in rotary mode only for optimal results.
 U.S Diamond has the right wet core bit for any wet cutting core drill application. All bits are designed to drill through the toughest reinforced concrete.
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 Drill dry through block and brick in seconds.
No water needed. Adaptors for hammer drills and rotary hammers available.
Use bits in rotary mode only.
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