METABO Tile diamond core bit Dry 20 mm M 14 628306000

M 14 thread for use on angle grinders Long service life and fast drilling progress thanks to vacuum-brazed diamonds. Easy removal of the drill core thanks to lateral recesses No extra cooling required. Ø 6-14 mm also have an integrated kerosene emulsion for better cooling. When drilling successive holes, it is recommended to cool the crown briefly with water after each hole! The recommended working length is the thickness of the tile / porcelain stoneware / granite slab. Usually max. 2 cm. ␍Granite slabs / worktops can be drilled up to 5 cm (applies to diamond core bits from Ø 20 mm). In this case, the crown should be pulled out of the drill hole several times so that it cools down briefly! Important: Do not drill into the substrate if the material has been laid! Maximum working speed: 80 m/s.