Diamond Core Bits

Shop professional-grade diamond core bits from World Diamond Source® for fast penetration through concrete, masonry, and stone. We maintain a massive, immediately available inventory of specialized drilling tools—including hard-to-find large diameter core bits up to 36 inches and extra-long barrels for deep-hole drilling. Engineered to cut clean through heavy rebar and steel tension cables, our lineup includes X-Pro patterned diamond core bits, soft bond turbo core bits, and specialized prestressed concrete core bits.

Whether your project requires production wet diamond core bits or handheld dry diamond core bits for brick and block, our formulas maximize footage and tool life. We stock a full range of bond formulations alongside vital accessories like core bit tube extensions, adapters, and replacement diamond segments to keep your core rigs turning with zero lead-time delays.