Ideal for deep plumbing and service penetrations, this 51 mm core drill has a 100 mm usable length. It's perfect for drilling through thick exterior walls, deep floor assemblies, or blockwork in a single pass. The drill uses vacuum-brazed diamond technology for consistent performance and has an M14 fitting for secure attachment to an angle grinder. The extended barrel helps manage heat and debris, making it a reliable solution for plumbers, electricians, and contractors.