M14 brazed diamond core drill bit, fits angle grinders with an M14 threaded interface. Can drill through rock slabs, full ceramic tiles, glazed tiles, marble, granite, microcrystalline stone, artificial stone, and thin concrete. The brazed diamond particles have strong adhesion, suitable for both wet and dry use, drills quickly, with smooth hole edges that are resistant to chipping—perfect for making holes in bathroom and kitchen stone surfaces.
