Square Head Bolts [Table 1-2]
JIS B 1182 (T1-2) - 1995 方头螺栓(中等精度) [Table 1-2]
See all versions and complete specifications: Square Head Bolts [Table 1-2] — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| M6 | 1.25 | 5.75 | 5.25 | 8 | 7.8 | 12.3 | 5.5 | 13 |
| M8 | 1.75 | 8.3 | 7.7 | 12 | 11.75 | 18.2 | 8 | 19 |
| M10 | 2 | 10.35 | 9.65 | 16 | 15.75 | 23.2 | 10 | 24 |
| M12 | 2.5 | 13.35 | 12.65 | 20 | 19.65 | 29.2 | 13 | 30 |
| (M14) | 3 | 15.35 | 14.65 | 24 |
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.
| 23.65 |
| 35 |
| 15 |
| 36 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.