Alpha Core Bit 1-3/8 Inch

Alpha 1-3/8 Inch Core Bit provides slightly oversized holes for faucet installations requiring extra clearance or for European-style faucets. This professional core bit from Alpha Professional Tools features advanced diamond segment technology for smooth drilling in granite, marble, quartz, and porcelain. The 1-3/8-inch diameter accommodates larger faucet shanks and provides installation flexibility. Optimized segment design ensures efficient cutting with minimal pressure and straight, accurate holes. Designed for wet drilling applications with standard drill motors. Long tool life and consistent performance make this a valuable addition to any professional installer’s toolkit.