Perfect Size: Also equipped with matching drill bit 5/8-11inch thread adapterUnique Design: Diamond grit is 80, sharper than ordinary drill bits, helps reduce the risk of tile cracking, standard core drill bits, can help you achieve different hole size needs, you don't need to spend more money to buy multiple different ones drillHigh-Quality Material: The diamond countersink drill bit is made of two kinds of materials, high-quality diamond and durable metal, with higher strength and hardness. It also ensures more efficient cleaning and trimming of drilled holes, resulting in smoother, better looking holesPowerful Function: Diamond beveling chamfer bit is suitable for trimming and improving the edges of exposed holes, helping you achieve a smooth, high-end finish. Bevels relieve chamfers and stress, and eliminate rough holes in ceramics and tiles. Not suitable for drilling, but can enlarge and trim round holes. It can be used dry or wetWide Range of Applications: This diamond chamfering bit is versatile and is mainly used to enlarge, shape or chamfer and bevel existing holes in granite, marble, ceramics and hard ceramics, helping you to easily create accommodating pipes or wires circular indentationProduct Diameter: 1-7/8 InchThread: 5/8inch-11Diamond Grit: 80Top Angle: 60 DegreesThread Adapter: 5/8-11inchColour:As shownMaterial:MetalPackage Contents:1 x Diamond Beveling Chamfer Bit1 x AdapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.