About This

Size - Max. Diameter: 38mm / 1.5"; 50mm / 2", Thread: M14x2, Working Depth: 35mm / 1.38"; 45mm / 1.77", Total Height: 45mm / 1.77"; 55mm / 2.17", Adapter Shank Dia: 8.5mm / 21/64", Adapter Total Height: 43mm / 1.69", Grit: #80, Degree: 60.
Enlarging Bits - This diamond beveling chamfer bit is used to enlarge, shape or trim the existing holes to create a better appearance on porcelain tile, marble, ceramic, glass, and stone.
Diamond Head - The grinding head is made of diamond with built-in cooling wax, can dry use without the need for additional water during grinding, which has the strongest type of chemical bond for high hardness, is chemically resistant, and durable for a long time.
Efficient Tool - The high hardness diamond head makes the grinding efficiency higher to save more time, a great chamfering tool for professionals and home DIY.
Note - This diamond countersink bit cannot be used for drilling, please pre-drill holes before using this diamond bit to enlarge or trim the holes.