Acorn Nuts
GB /T 923 - 1988 盖形螺母
See all versions and complete specifications: Acorn Nuts — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 923 |
| DIN | DIN 1587 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 | 0.7 | 3 | 6.78 | / | 7 | 3 | 7.66 | 5 | 7 | 6 | / |
| M4 | 1 | 4.6 | 9.78 | 2.5 | 11 | 5 | 11.05 | 7 | 10 | 9.2 | 6.5 |
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.
| M5 |
| 1.5 |
| 8 |
| 15.73 |
| 4 |
| 18 |
| 8 |
| 17.77 |
| 13 |
| 16 |
| 16 |
| 10.5 |
| M6 | 2 | 10 | 20.67 | 5 | 24 | 11 | 23.35 | 17 | 21 | 20 | 15 |
| M8 | 2.5 | 12.5 | 26.16 | 6 | 29 | 14 | 29.56 | 22 | 27 | 25 | 19 |
| M10 | 2.5 | 15 | 33 | 6 | 35 | 18 | 37.29 | 26 | 34 | 30 | 23 |
| M12 | 3 | 17 | 35 | 7 | 38 | 19 | 39.55 | 28 | 36 | 34 | 25 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.