SHDIATOOL Diamond Chamfer Bits 2Inch Bevelling Milling Bits for Enlarge Porcelain Tile Marble Ceramic Granite 50mm 5/8-11

【SIZE】1pc 2 Inch (50mm) 72.5mm workable length 5/8 -11 Thread Grit #80 #60 total Length 82mm Top Angle 60 degree 【MULTI-PURPOSE】This diamond countersink drill bits is designed for Bevelling，Enlarging Grinding and Polishing the exsit holes or shaping edge f materials. 【HIGH-GRADE DIAMOND】High quality dimoand grain make the edge of the hole smooth and clean and can achieve excellent surface effect. 【APPLICATION】The chamfer effectively eliminate the rough holes of ceramics tiles porcelain marble and other materials. 【ATTENTION】This is not a core bit for drilling. It doesn’t make holes but it bevels the hole cleaning and reinforcing the borders when the borders are chipped or need to be clean； Reduce the contact surface tilt moderately do not press directly with force shake slowly and slightly along the force and the range should not be too large.