DIN ISO 666:2013-12

This International Standard specifies the essential requirements, especially the dimensions, for hub flanges for plain grinding wheels according to ISO 603-1, ISO 603-2, ISO 603-4, ISO 603-6, ISO 603-7 and ISO 603-8 with a ratio of the bore diameter to the outside diameter H/D more than 0,2. It is also applicable for super abrasives with vitrified or metal core having the same diameters as the grinding wheels according to ISO 603, independently from the material of the core. It applies to grinding wheels with peripheral speeds up to 50 m/s and driving powers of the wheel spindle up to 30 kW. The standard is not applicable to mounting devices for cutting off wheels.