Hexagon Head Bolts - Finished (Attached Table 1.1)
JIS B 1180 (AAT1.1) - 2004 六角头螺栓 精制 [Annex Attached Table 1.1]
See all versions and complete specifications: Hexagon Head Bolts - Finished (Attached Table 1.1) — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 | 0.6 | 5.8 | 6.9 | 2.4 | 2.5 | / | 3.5 | 6 | 5.8 | 3.4 | 2.3 |
| M4 | 1 | 10.7 | 12.7 | 5 | 5.15 | / | 7 | 11 | 10.75 | 6.85 | 4.85 |
| M5 | 1.5 | 16.5 | 19.6 | 7 | 7.2 | 1.25 | 10 | 17 | 16.75 | 9.85 | 6.8 |
| M6 | 2 | 21 | 25.4 | 9 | 9.2 |
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.
| 1.5 |
| 14 |
| 22 |
| 21.65 |
| 13.8 |
| 8.8 |
| M8 | 2.5 | 31 | 37 | 14 | 14.2 | 1.5 | 22 | 32 | 31.6 | 21.8 | 13.8 |
| (M7) | 2.5 | 26 | 31.2 | 12 | 12.2 | 1.5 | 18 | 27 | 26.65 | 17.8 | 11.8 |
| (M3.5) | 0.8 | 7.8 | 9.2 | 3.5 | 3.65 | / | 5 | 8 | 7.8 | 4.9 | 3.35 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.