Small Hexagon Self-locking Nuts
GB 1339 - 1977 小六角自锁螺母
See all versions and complete specifications: Small Hexagon Self-locking Nuts — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M8 | 1.5 | 13.76 | 14 | 10.18 | 9.82 | 11 | 10.9 | 5.65 | 5.35 | 10 | 5.5 |
| M10 | 1.5 | 18.72 | 19 | 13.22 | 12.78 | 15.5 | 15.4 | 8.18 | 7.82 | 13 | 8 |
| M12 | 1.5 | 23.72 | 24 | 16.72 | 16.28 | 19.6 | 19.5 | 11.22 | 10.78 | 16.5 | 11 |
| M16 | 1.5 | 31.66 | 32 | 22.26 | 21.74 |
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| 25.7 |
| 25.6 |
| 14.22 |
| 13.78 |
| 22 |
| 14 |
| (M14) | 1.5 | 29.72 | 30 | 20.26 | 19.74 | 23.7 | 23.6 | 12.72 | 12.28 | 20 | 12.5 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.