Feature: 1. 60 Degree Chamfer Bit: The beveling chamfer bit is 60 degree bottom angle, helps you create many different hole sizes with one standard core bit. 2. High Hardness: The countersink bit is made of , with extremely high hardness and good chemical stability. 3. Stable and Durable: Vacuum brazing technology and 80 grit make the beveling chamfer bit more durable. 4. Hole Shaping: This milling bit is used for hole shaping, widening and chamfering, bringing a smoothly, beautiful hole finish. 5. Wide Range of Applications: The milling bit is suitable used for ceramics, hard ceramics, granite and marble. Specification: Item Type: Beveling Chamfer Bit Material: Package List: 1 x Beveling Chamfer Bit Note: This is not a core drill bit for drilling, it doesn't punch holes, but when the edge is chipped or needs to be cleaned, it slopes the hole, cleans and reinforces the edge.