Unlock precision and power with our premium 20mm diamond hole saw drill bit, expertly engineered for flawless drilling through glass, ceramic, tile, and marble. Crafted with high-grade diamond grit, this drill bit ensures smooth, clean cuts and long-lasting durability, making it a must-have for professionals and DIY enthusiasts alike. Its rust-resistant finish and universal fit make every project easier and more efficient. Available in a sleek, silver color, this versatile hole saw delivers reliable performance and outstanding results, project after project. Diameter:20mm.