11Pcs 6-50mm Diamond Coated Drill Bit Set Marble Granite Ceramic Tile Glass Hollow Core Drill Bits Diamond Hole Saw Drill Bits Drilling Power Extractor Remover Tools Drill Cutter Hole Saw Cutter Tool

Diamond Drill Bits Sets, 6-50mm Glass and Tile Hollow Core Drill Bits Extractor Remover Tools Hole Saws for glass, ceramics, porcelain, ceramic tileWide Application: This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication. Can be used with a standard electric drillCut perfect circles with these tools, Suitable for Marble, Granite, Tile Ceramic, Stone, Rebar Concrete etcSmall incision resistance,feature drilling stably, fast speed, not breaking the borderOpening neat, smooth, no broken edges, no tremor phenomenon, chip EasilySpecification:Material: steelGood Performance and long lifeExcellent for making clean and accurate hole on glass and tileWorks better with a electric drill (Excluding in the item)Size(outside diameter): 6mm(6/25"), 8mm(8/25"), 10mm (2/5"), 12mm(12/25"), 16mm(16/25"), 20mm(4/5"), 22mm(7/8"), 25mm(1"), 30mm(1 1/5" ), 38mmmm(1 1/2"), 50mm(2")Shank Diameter(6mm diamond drill bit): 6mmShank Diameter(8mm - 25mm diamond drill bit): 8mmShank Diameter(the other diamond drill bit): 10mmUse note:Start your hole diagonally, make a round trace and then hold drill straightAlways use lubrication (water), otherwise the diamond core drill will burnPackage content:11pcs * Diamond Coated Drill Bit