BGTEC Diamond Beveling Chamfer Bit,75MM with M14 Thread for Existing Holes Enlarging Shaping Trimming Tile Marble Granite Ceramic Countersink Drill Bits

Dia 75mm: workable length 55mm; M14 thread; Grit #80; Angle: 40 degree The beveling chamfer bit designed to enlarge or trim round holes in ceramic, glass, granite stone tile marble etc. Also suitable to create round shape indentation to accommodate pipes or wires. Save your money:one standard core bit can create many holes of different sizes(35MM-75MM). without buying several different core bits. Dry or wet used. Make the hole edge surface effect, smooth and clean. Note: This is not a core bit for drilling. It doesn't make holes but it bevels the hole cleaning and reinforcing the borders when the borders are chipped or need to be clean.