. . SET OF DIAMOND HOLE PUNCHES FOR TILES ADAPTER 5 itemsBLACK-21205Set of tungsten holesaws with adapter, designed for making holes in hard materials such as:TilingCeramicBrickConcrete . The wide application of hole saws makes every DIY and professional assembler should have them. Cutting holes is no longer a problem. The set includes an adapter for mounting on a drill or screwdriver and 4 holesaws. All packed in a handy carrying case for easy transport and storage. PurposeFor drilling precise holesGresGraniteMarbleCeramicsNatural stone. SpecificationBody material: steel Color: redHEX adapter for drills/screwdriversThread: M14 for grindersWorking depth: 10mmSizes: 12mm, 10mm, 8mm, 6mmDiamonds embedded with vacuum brazing technologyMaximum working speed: 11,000 rpm.