DT-DIATOOL Vacuum Brazed Diamond Drilling Core Bits for Ceramic Tile Granite Marble Stone Dia 20-100mm Total Length 75MM

PRODUCT NAME: Professional Quality Dry Vacuum Brazed Drill core bits M14 Thread SPECIFICATION: Total length 75mm; Grit: #40/50; 20mm-100mm; Diamond height 15mm  M14 Thread （It applies to Europe） Available Diameter 20mm, 25mm, 28mm, 32mm, 35mm, 38mm, 45mm, 50mm, 65mm, 76mm, 89mm, 100mm QUANTITY: 1pc only FEATURE: Wide application for drilling tile ceramic granite marble stone.... Vacuum Brazed technology provide much longer working life than electroplated ones (Generally 3-5times) Less Chipping, Minimizing breakage, less heat generation, Better finish quality High diamond exposure rate provides a faster and more aggressive drilling. Save your money and time.... ------------------------------------------------END--------------------------------------------------------- Other Available Diameter: Other specification is available if you order bulk quantity.