Diamond Hole Saw Drill Bit with M14 Thread for professional dry or wet drilling in Porcelain, Tiles, Granite, Marble, Glass (30mm)

Professional Quality: Diamond hole saws utilize vacuum brazing technology and can perform wet or dry drilling. Cut a Perfect Circle: Sharp diamond cutting edges offer exceptional maneuverability and productivity, ideal for cutting precise holes quickly and smoothly. Durability: Made of carbon steel with a wider and denser diamond coating, this hole saw is more than 8 times more durable than other common diamond hole saws. Compatibility: Suitable for angle grinders and other drills with an M14 adapter. Ideal for drilling holes in tile, granite, marble, porcelain, glass, and ceramic. Caution: Start drilling at a 45-degree angle and drill vertically when cutting the crescent edge to prevent the hole saw from slipping.