HARFINGTON Diamond Beveling Chamfer Bits 83mm Dia 5/8-11 Thread Cone Grinder Bit with Adapter, Countersink Drill Bit to Enlarge Holes for Porcelain Tile, Marble, Ceramic, Glass, Stones

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.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.The high hardness diamond head makes the grinding efficiency higher to save more time, a great chamfering tool for professionals and home DIY.Comes with a hex shank adapter to fit more drilling machines.Suitable for chamfering with ceramic tiles, porcelain tiles, ceramics, glass, marble, stone, and other materials.

• Size - Diameter: 38 mm / 1.5 inch; Thread model: 5/8" - 11; Total length: 85 mm / 3.3 inch; Working depth: 32 mm / 1.3 inch; Cutting angle string: 60 degrees; Diamond Grits: 80 grits.
• 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.