This document specifies the commonly used dimensions and extreme deviations, markings and markings of grinding wheels. This document applies to chucked or unchucked grinding wheels for use on stationary grinding machines.
GB/T 23540-2021 history
2021GB/T 23540-2021 Coated abrasives—Flap wheels with incorporated flanges or separate flanges
2009GB/T 23540-2009 Coated abrasives.Flap wheels with incorporated flanges or separate flange