Engineered for clean, controlled cutting through the toughest brittle surfaces, the WARR Tools Electroplated Diamond Hole Saw Drill Bit delivers exceptional precision where standard bits fail. Designed for ceramic, porcelain, glass, marble, granite, and stone, this bit uses a high‑grade electroplated diamond coating to achieve smooth, chip‑free holes with minimal pressure. When the job demands finesse, accuracy, and durability, WARR Tools leads the way