Hexalobular Socket Cheese Head Screws
JIS B 1136 - 2014 梅花槽圆柱头螺钉
See all versions and complete specifications: Hexalobular Socket Cheese Head Screws — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M2 | 0.45 | 0.1 | 2.36 | 3.1 | 2.5 | 4.5 | 4.68 | 0.51 | 2.5 | 4.32 | 2.36 |
| M3 | 1 | 0.25 | 5.7 | 6.8 | 6 | 10 | 10.22 | 0.68 | 6 | 9.78 | 5.82 |
| M4 | 1.5 | 0.4 | 9.64 | 11.2 | 10 | 16 | 16.27 | 1.02 | 10 | 15.73 | 9.78 |
| M5 | 2 | 0.6 | 13.57 | 15.7 | 14 |
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.
| 21 |
| 21.33 |
| 1.45 |
| 14 |
| 20.67 |
| 13.73 |
| M6 | 2.5 | 0.6 | 17.57 | 20.2 | 18 | 27 | 27.33 | 1.87 | 18 | 26.67 | 17.73 |
| M8 | 2.5 | 0.8 | 19.48 | 22.4 | 20 | 30 | 30.33 | 2.04 | 20 | 29.67 | 19.67 |
| M2.5 | 0.7 | 0.2 | 3.82 | 4.7 | 4 | 7 | 7.22 | 0.6 | 4 | 6.78 | 3.82 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.