Introducing our BIHUI diamond hole saws. These professional-grade tools are perfect for drilling through porcelain, marble, and granite. With their M14 connections, you can expect swift, clean cutting, leaving less chips behind for a cleaner working environment. The fast cutting diamond tip ensures precision and quality with each use.

To use, start drilling at a 45° angle, then return the drill bit to 90° once the hole has been initiated. For optimal results, continue drilling in a circular motion. An optimal RPM of 11000 is recommended, allowing you to get the job done efficiently without compromising on quality. Choose BIHUI for your tiling needs and experience the difference today.