Lock Nuts - Light-duty (L Series)
ISO 6149-3 (LN) - 2006 锁紧螺母 - 轻型（L型）
See all versions and complete specifications: Lock Nuts - Light-duty (L Series) — 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 | 1.6 | 1.4 | 14 | 13.8 | 6 | 5.8 | 14 | 1.5 | 6.2 | 13.6 |
| M10 | 1.5 | 2.1 | 1.9 | 19 | 18.8 | 7.5 | 7.3 | 19 | 2 | 7.7 | 18.6 |
| M12 | 1.5 | 2.6 | 2.4 | 24 | 23.8 | 7.5 | 7.3 | 24 | 2.5 | 7.7 | 23.6 |
| M14 | 2 | 2.6 | 2.4 | 32 | 31.8 |
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.
| 10 |
| 9.8 |
| 32 |
| 2.5 |
| 10.2 |
| 31.6 |
| M16 | 2 | 3.1 | 2.9 | 41 | 40.8 | 10 | 9.8 | 41 | 3 | 10.2 | 40.6 |
| M18 | 2 | 3.1 | 2.9 | 55 | 54.8 | 10 | 9.8 | 55 | 3 | 10.2 | 54.6 |
| M22 | 2 | 3.1 | 2.9 | 65 | 64.8 | 10 | 9.8 | 65 | 3 | 10.2 | 64.6 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.