Alpen Keramo extreme ATM2 Tile and glass drill bit set 10 mm 1/4" (6.3 mm), Cylinder shank 2 pc(s)

For extremely hard stoneware tiles up to Mohs-/Ritz-hardness 9 as well as glass and porcelain. No cooling required. Spindle speed max. 200 rpm!! Note. Not suitable for impact drilling. This text is machine translated.