According to the provisions of GB/T6409.1-1994, diamond or cubic boron nitride (CBN) grinding characteristics and writing order for:
Shape code size of abrasive grade size binder concentration
The size marker order:
Diameter * * * total thickness aperture width * abrasive abrasive layer thickness
Some diamond abrasive tools with the hypotenuse or circular arc, but also marked the bevel angle or arc radius. Abrasive marker schematic diagram as follows.
Figure 1

Figure 2

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