The Bosch PRO Best Universal Dry Diamond Core Cutter in 78mm diameter is designed for larger service penetrations, making it a strong choice for soil pipe routes, multi-cable bundles, and larger conduit runs through masonry walls and floors. The 78mm diameter provides the additional bore size needed for bigger pipework and service installations, while the robust diamond grit cutting segment — set in a premium metal matrix — ensures the cutter stays sharp and accurate across a demanding workload. Dry drilling capability keeps setup time to a minimum, with no water supply or wet drilling equipment needed. Fits ½-inch threaded diamond drills straight out of the box. Features and Benefits: • 78mm diameter — suited to larger pipe routes and multi-cable installations • Dry drilling design for efficient, low-setup operation • Premium diamond grit in metal matrix for durability and consistent precision • ½-inch thread connection for broad compatibility

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