Large Hexagon Nut for Pipe Flange Connection
GB /T 9125 - 2003 管法兰连接用大六角螺母（配合螺柱使用）
See all versions and complete specifications: Large Hexagon Nut for Pipe Flange Connection — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 14.3 | 13.6 | / | / | 23.16 | 25.94 | 24 |
| M14 | 2.5 | 20.7 | 19.4 | / | / | 33 | 37.29 | 34 |
| M16 | 3 | 27.6 | 26.3 | / | / | 45 | 50.85 | 46 |
| M20 | 3.5 | 33.5 | 31.9 | / | / | 53.8 | 60.26 | 55 |
| M24 | / | 39.5 | 37.9 | 3 |
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.
| / |
| 63.1 |
| 70.67 |
| 65 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.