- 【FUNCTION AND USED FOR】 This diamond countersink drill bits is designed to enlarge, shape and trim the EXISTING HOLES in porcelain tile, marble, ceramic, granite, etc. And also suitable to easily shape side indentation required to pipes or electric wires.
- 【YOUR CHOICE】 The diamond beveling chamfer bits is a 60 degree diamond cones beveling bit, you can use it to make holes of many different sizes, no need to purchase several bits.
- 【PREMIUM MATERIAL】 High hardness and strength. This diamond granite drill bit is made of premium diamond and durable metal. It uses these high quality raw materials to ensure more effective cleaning and trimming.
- 【SIZE】 Dia: 1-7/8″ (48mm), Threads: 5/8″-11, Grit: #80, Degree: 60, 5/8″-11 Thread to 3/8″ Hex Shank Adapter.
- 【ATTENTION】 The diamond bit can NOT BE USED TO DRILL HOLES, but to enlarge, shape and trim the EXISTING HOLES. It fits on 5/8″-11 thread angle grinder or 3/8″ Hex Shank electric drills. Dry or water use, very easy to operate.