These diamond tile drill bits are designed for use with angle grinders that have a circumferential speed of 80 m/s and an M14 mounting, making them suitable for use with a wide variety of commercially available machines. The accessory simply screws on to the M14 thread on the grinder. The set contains a selection of standard metric diameters, with which numerous jobs on porcelain stoneware, tiles and natural stone can be carried out effortlessly and precisely. They are perfect for installing fittings, attaching shelves or cabinets, mounting accessories or decorations in the sanitary area, kitchen and tiled surfaces. Comes packaged in an Einhell "M" case, complete with an inlay that keeps the accessories securely stored in place and ready for use. Features & Benefits • Designed for drilling into tiles with an angle grinder • Appropriate for machines with an M14 thread • Simply screw onto the threaded spindle • Vacuum-brazed diamond cutting edge • Small diameters have integrated coolant