This standard specifies the shape and size of common bonded abrasives. This standard applies to ordinary abrasive tools, grinding wheels, grinding stones, sanding tiles and grinding heads.
GB/T 4127-1997 history
2007GB/T 4127.1-2007 Bonded abrasive products- Dimensions- Part 1: Grinding wheels for external cylindrical grinding between centres
1997GB/T 4127-1997 Shapes and dimensions for bonded abrasive products