This power tool accessory is a crystal hole saw designed as an angle grinder hole opener for clean, controlled drilling in hard surfaces. As a dry drill bit, it works as a reliable hole cutter for glass, marble, tiles, and other dense materials without needing water during use. Vacuum brazed crystal segments help the drill rim stay sharp and wear-resistant, supporting smoother cutting and longer service life. The dense crystal coating helps reduce chipping and wandering, so you get neater hole edges and less rework on visible surfaces. Ideal for making precise openings for fixtures, mounts, and fittings, it helps speed up installation work while keeping the finish cleaner and more professional.
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