This standard stipulates the codes and product marks of the shape, abrasive, particle size, hardness, structure, and bonding agent of ordinary abrasive tools. This standard applies to ordinary abrasive tools, including grinding wheels, grinding heads, sand tiles and oil stones.
GB/T 2484-1994 history
2023GB/T 2484-2023 Bonded Abrasive Shape Types, Markings and Symbols