Bon Tool 1-3/8 in. Diamond Core Drill Bit for Porcelain, Marble, and Granite

Achieve precise holes in marble, granite, and porcelain tile with this professional-grade diamond core drill bit. Designed for both wet and dry cutting, it features a 1/4 in. pilot bit to ensure accuracy for all your flooring and tiling projects.

• High-performance diamond material for cutting marble, granite, and porcelain tile
• Versatile design supports both wet and dry cutting applications
• Equipped with a 1/4 in. pilot bit for improved drilling accuracy
• Specifications: 1-3/8 in. bit diameter, 3/8 in. shank diameter, and 2 in. cutting depth