Professional-grade diamond grinding bit designed for precision hole enlargement in tile and porcelain. The Montolit FSBH06 features a 6mm diameter with diamond-coated grinding surface for clean, efficient material removal. Ideal for creating or widening holes for pipes, fixtures, and installations without chipping or cracking delicate surfaces. Compatible with standard angle grinders and rotary tools. Essential for tilers and installers working with ceramic, porcelain, and natural stone materials. Delivers consistent results across repeated applications.