Efficient Stone Drilling: An M10 core drill bit specifically designed for stone materials. It creates precise holes in porcelain, marble, and granite with ease, suitable for both professional and DIY projects using angle grinders. Versatile Slotting and Trimming: for detailed slotting and trimming tasks. It enlarges, shapes, or bevels existing holes with exceptional accuracy, providing enhanced control for intricate stone work. Vacuum Brazed Technology: Constructed with vacuum brazed technology for long lasting performance. Delivers consistent results and durability even during extended use on hard stone surfaces. Enhanced Edge Grinding: Drills clean holes and also grinds and smooths edges, making it a versatile addition to your toolkit for achieving professional finishes on stone. 23 practical use scenarios Scenario 1: Installing porcelain or granite fixtures where precise hole size and placement are crucial, using the M10 bit with an angle grinder to ensure clean, accurate holes. Scenario 2: Refining existing holes in marble countertops by enlarging, reshaping, or beveling edges to accommodate hardware while maintaining a smooth, finished edge. Scenario 3: Creating or adjusting slots in stone surfaces for trim, piping, or wiring routes, with the ability to control hole dimensions and edge quality for a professional result.