The 127mm (5") Diamond Core Drill Bit is the ideal solution for creating large, clean holes in concrete, blockwork, and masonry. Commonly used for flue pipes, extractor fan outlets, soil pipes, and air ducting, this heavy-duty core bit is perfect for building and HVAC trades.

Manufactured with high-quality diamond segments for durability and fast cutting performance, it reduces surface cracking and ensures precision on tough surfaces. Compatible with both wet and dry core drilling rigs, it's built for long-lasting performance on demanding jobs.

Trusted by professionals for reliable performance and clean results on every cut.