UAMA B74。3-2003（R2014）详细介绍了一个系统，用于描述完整的菱形或CBN车轮的形状，无论是整体式还是由复合零件制成，包括安装的车轮和手动珩磨。它根据识别系统列出了金刚石砂轮的尺寸。不包括单独的部分。在本标准中，术语“钻石”可用于指钻石和CBN。

UAMA B74.3-2003 (R2014) details a system to describe the shape of complete diamond or CBN wheels either unitary or built of composite parts and includes mounted wheels and hand hones. It lists, in accordance with the identification system, size of diamond grinding wheels. Individual segments are not included. For the purpose of this standard, the term diamond may be used to mean both diamond and CBN.