IEC 60745-2-23:2012 applies to die grinders and small rotary tools for mounted accessories not exceeding 55 mm in diameter and mounted sanding accessories not exceeding 80 mm in diameter such as, threaded cones or plugs that are threaded on a mandrel with an unrelieved shoulder flange, mandrel mounted wheels and rotary files with a rated speed not exceeding a peripheral speed of the accessory of 80 m/s at rated capacity. This part 2 is to be used in conjunction with the latest edition of IEC 60745-1 and its amendments. It was established on the basis of the fourth edition (2006) of that standard. This standard does not apply to straight and vertical grinders utilizing flanges for driving an abrasive accessory. Those tools are covered by IEC 60745-2-3. Keywords: Die grinders, rotary tools, grinding, sanding.