his International Standard specifies the essential requirements, especially 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 ?? 0,2. It is also applicable for super abrasives
with vitrified or metal core having the same diameters as the grinding wheels according to those parts of
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.
It is not applicable to mounting devices for cutting-off wheels.