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【FUNCTION AND USED FOR】 This diamond finger bits are designed to enlarge, shape, trim and round bevel EXISTING HOLES in porcelain tile, marble, ceramic, granite, etc. And also suitable to easily shape side indentation required to pipes or electric wires.
【YOUR CHOICE】 You can use our milling finger bit to expand existing holes to different sizes or shapes, no need to purchase several core drill bits. Great for granite, porcelain,ceramic or marble countertops, bathroom tiles.
【PREMIUM MATERIAL】High hardness and heavily coated diamond with vacuum brazed technology ensure more effective working performance and precise hole finish. Durable metal and premium diamond provide longer working life.
【SIZE】: Diameter: 3/8" (10mm), Workable Length: 2" (50mm), Total Length: 3" (75mm), Grit: #50/60.
【ATTENTION】 The diamond milling bit is NOT RECOMMENDED FOR DRILLING HOLES, but for enlarging, shaping and trimming EXISTING HOLES. It fits on 5/8"-11 threads angle grinder and can be used with water or not, very easy to operate.