Pro Grade Diamond Beveling Chamfer Bits for Porcelain Tile and Stone Enlarge Existing Holes to 3-1/4 Inch Diameter 82mm, 60 Degree Top Chamfer, 5/8-11 Thread Shank, Countersink Drill Bit for Ceramic Marble Granite

Premium Diamond Chamfer Bit Expands Tile Holes to 82mm
✔️ 5/8-11 Shank, 60 Degree Angle, 82mm Dia, 50mm Depth

This diamond countersink bit helps enlarge and finish existing holes in tile and stone using an angle grinder.

✅ Diamond and metal build for smooth edges on porcelain and ceramic
✅ Fits angle grinders with 5/8-11 thread and works wet or dry
✅ Shapes holes from 27mm up to 82mm without extra core bits
✅ 60 degree top chamfer reduces stress on marble and granite

💡 What is a chamfer bit used for in tile installation? This handy tool finishes rough edges on holes made by core bits. - Creates clean 60 degree bevels that look professional - Reduces cracking risk around hole openings in stone - Works on existing holes in porcelain without full replacement - Pairs with any standard 5/8-11 angle grinder setup