Hex Bolt for Pipe Flange Connection - Class Designated
GB /T 9125.2 - 2020 管法兰连接用六角头螺栓 Class系列
See all versions and complete specifications: Hex Bolt for Pipe Flange Connection - Class Designated — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M14 | 2 | 22.49 | 15.57 | 0.8 | 0.2 | 38 | 44 | 16 | 15.73 | 57 | 17.7 |
| M16 | 3 | 33.61 | 23.48 | 0.8 | 0.2 | 54 | 60 | 24 | 23.67 | 73 | 26.4 |
| M20 | 3.5 | / | 29.48 | 0.8 | 0.2 | 66 | 72 | 30 | / | 85 | 33.4 |
| M24 | 3 | / | 35.38 | 0.8 | 0.2 |
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.
| / |
| 84 |
| 36 |
| / |
| 97 |
| 39.4 |
| M27 | 3 | / | 41.38 | 1 | 0.3 | / | 96 | 42 | / | 109 | 45.6 |
| M30 | 3 | / | 47.38 | 1 | 0.3 | / | 108 | 48 | / | 121 | 52.6 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.