1Pc Diamond Milling Bit Hole Saw M14 Diamond Drill Bit Grinding For Tile Porcelain Marble Crown Milling Hole Finger Bit 10/20mm

Product Name:Vacuum Brazed Diamond finger bits Milling bitsSpecification:Diameter 10mm/20mm, workable length 50mm,Total Length 70mm, M14 thread, Grit #50/60Quantity: 1pcApplication:1. Enlarge, shape and round bevel existing holes in Porcelain, Hard Ceramic, marble and granite;2. Also available to make a hole directly, but not recommend to do this job;3. Used on angle grinder.Feature:1.Vacuum brazed technology provide high efficient working performance;2. Grit #50/60 provide you great finishing;3. Very easy to operate.