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| 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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