Castle Nuts, Precision Grade
IS 2232 - 1967 槽形/冠形六角螺母（精制）
See all versions and complete specifications: Castle Nuts, Precision Grade — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 3.2 | 21.67 | 11 | 10.3 | 1.5 | 16 | 3.8 | 22 | 15.57 | 3.5 |
| M16 | 2.5 | 5 | 31.61 | 18 | 17.3 | 1.5 | 26 | 5.8 | 32 | 25.48 | 5.5 |
| M20 | 3.5 | 6.3 | 49.38 | 26 | 25.16 | 2 | 35 | 7.36 | 50 | 34.38 | 7 |
| M24 | 4.5 | 8 | 69.26 | 36 | 35 |
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| / |
| 48 |
| 9.36 |
| 70 |
| 47.38 |
| 9 |
| (M14) | 2.5 | 4 | 26.67 | 15 | 14.3 | 1.5 | 21 | 4.8 | 27 | 20.48 | 4.5 |
| (M18) | 3 | 5 | 40.38 | 22 | 21.16 | 2 | 30 | 5.8 | 41 | 29.48 | 5.5 |
| (M22) | 4 | 6.3 | 59.26 | 31 | 30 | 3 | 40 | 7.36 | 60 | 39.38 | 7 |
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