Specifies the maximum permissible values of unbalance for various types of grinding wheels in the as-delivered condition, with an outside diameter equal to, or greater than 125 mm and with a peripheral speed greater than, or equal to 16m/s. Also specifies a method for measuring the unbalance and a practical method for determining whether or not a grinding wheel is acceptable. This Standard is identical with, and has been reproduced from ISO 6103:1999.