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Skip to contentGear precision grade chart
| Grade standard | Precision grade |
|---|
| JIS（Japan） | N0 | N1 | N2 | N3 | N4 | N5 | N6 | N7 | N8 | N9 | N10 | N11 | N12 |
|---|
| JIS-B1702-02（new） |
|---|
| JGMA（Japan） | | | | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
|---|
| JIS（Japan） | | | | | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|
| JIS-B1702（old） |
|---|
| PRC（China） | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|
| GB10095~1009 |
|---|
| ISO ( International） | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|
| DIN（Germany） | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|
| 3960~3967 |
|---|
| GOST（USSR） | | | | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|
| BS（UK） | | | | | | A1 | A2 | B | C | D | | | |
|---|
| FN（France） | | | | | A | B | C | D | E | | | | |
|---|
| ANSI（USA） | | | | | | 4 | 3 | 2 | 1 | | | | |
|---|
| AGMA（USA） | | | 16 | 15 | 14~13 | 12 | 10 | 10 | 8 | | | | |
|---|
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