How to replace ug tool number with letters?

The answer is as follows. According to the query, Jinan Institute of Numerical Control Mould Technology learned that:

1, the first letter represents the shape of the blade, and the metric system is the same as the English system.

2. The second letter represents the back angle of the blade, and the metric system is the same as the English system.

3. The third letter represents the tolerance of the blade. Metric and English are the same, and the tolerance varies according to the size of the blade.

4. The fourth letter represents the symbol of the hole/chip breaker.

5. The fifth number, ISO stands for cutting edge length and ANSI stands for inscribed edge diameter.

6. The sixth digit represents the thickness, with ISO in millimeters and ANSI in inches.

7. The seventh digit represents the angle of the tool tip, with the ISO unit being mm and the ANSI unit being inches.

8. The last two letters represent arbitrary symbols, such as main cutting edge symbol and chip breaker symbol.