SHDIATOOL Diamond Chamfer Bits 1-3/8-Inch, Hexagon Shank Beveling Milling Bits of Grinding Enlarging Shaping Existing Holes for Tile Porcelain Hard Ceramic Marble Stone Diameter 35mm - SHANGHAI DIATOOL CO., LTD., A8682035HEX.AUS

• Mulit-purpose: This diamond countersink bits is all purpose designed for Beveling，Enlarging, Grinding and Polishing the exsit holes or shaping edge of ceramics, tiles porcelain marble and other materials. High-grade:High quality dimoand grain make the edge of the hole smooth and clean, and can achieve excellent surface effect. Excellent Technology: Vacuum brazed technology provide better beveling performance and longer working life. Size:1-3/8"(35mm), 63.5mm workable length, hexagon shank, Grit #50/60, total Length 88.5mm,Top Angle 53 degree,suitable for drills machine. 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.