HARFINGTON Diamond Beveling Chamfer Bits 2.95" Dia 5/8-11 Thread w/Adapter

Size - Max. Diameter: 75mm / 2. 95", Thread: 5/8-11, Working Depth: 50mm / 1. 97", Total Height: 65mm / 2. 56", Adapter Shank Hex Width: 8. 2mm / 3/8", Adapter Total Height: 53mm / 2. 09", 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, 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.