The Bosch Universal Diamond Dry Core Cutter in 28mm is the compact option in the range, making it perfectly suited for smaller penetrations such as cable entry points and narrow-bore socket outlet installations. At 28mm, it delivers clean, precise cuts in masonry without the need for water cooling. Its diamond segments are laser-welded for outstanding durability, enabling reliable dry drilling through limestone, brick, and general masonry. This size is ideal for confined installations where a smaller diameter hole is required, offering a neat finish and reducing the need for additional making good. Designed to fit ½-inch threaded diamond drills, it integrates effortlessly with compatible diamond drilling equipment. Features and Benefits: • Laser-welded diamond segments for durability and precision • Dry masonry drilling — no water cooling required • Suitable for limestone, brick, and masonry • Ideal for cable entries and compact socket outlet installations • Fits ½-inch threaded diamond drills
