Wing Screws
DIN 316 - 1983 蝶形螺钉
See all versions and complete specifications: Wing Screws — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| DIN | DIN 316 |
| UNI | UNI 5449 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M4 | 0.8 | 2.8 | 1.5 | 9 | 7.5 | 2.4 | 11 | 24 | 2.3 | 8 | 26 |
| M5 | 1.25 | 4.4 | 2 | 12.5 | 10.5 | 4 | 16 | 36 |
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.
| 2.8 |
| 13 |
| 39 |
| M6 | 1.75 | 6.4 | 4.1 | 19.5 | 17.5 | 5.3 | 23 | 62 | 4.9 | 20 | 65 |
| M8 | 2.5 | 8 | 6.1 | 29 | 27 | 7.5 | 35 | 86 | 6.9 | 32 | 90 |
| M10 | 3 | 10.5 | 8.6 | 37.5 | 35 | 9 | 44 | 106 | 9.4 | 41 | 110 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.