Diamond Finger Milling Bits 25mm SANLEETEK Tile for Existing Holes Enlarging Shaping Trimming in Porcelain Marble Granite Ceramic Artificial Stone M14 Thread

【Specifications】Diameter 25mm; Total length 65mm; Working length 50mm; Diamond Grit #50/60; M14 Thread 【Application】Desinged to enlarge, shape, grind and round bevel existing holes in Tile Porcelain Ceramic Marble Granite Artificial Stone 【High Performance】High-quality Diamond Grain and Vacuum Brazed Technology provides much longer working life, high efficiency, durable and sturdy 【Unique Detail】The hollow design with 4 holes and the interior of the matrix is conducive to heat dissipation and chip removal 【Attention】Diamond Finger Milling Bit can NOT be used to directly drill holes. It fits on M14 Thread Angle Grinder. Dry or Wet use. Very easy to operate. Recommended speed 6000RPM, maximum speed 11000RPM