Cross Recessed Countersunk Head Screws - Class 8.8
JIS B 1111 (T3) - 2006 十字槽沉头螺钉 8.8级 [表3]
See all versions and complete specifications: Cross Recessed Countersunk Head Screws - Class 8.8 — 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 | 1.8 | 2.9 | 4.4 | 1.5 | 25 | 5.5 | 1.1 | 1 | 4.7 | 0.6 |
| M3 | 0.8 | 3.2 | 5.2 | 8.9 | 2.7 | 38 | 10.4 | 2 | 2 | 9.3 | 1.3 |
| M4 | 1.5 | 5.7 | 10 | 17.8 | 5 | 38 | 20 | 3.8 | 4 | 18.3 | 2.5 |
| M2.5 | 0.6 | 2.4 | 4.4 | 6.9 | 2.35 |
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.
| 38 |
| 8.2 |
| 1.5 |
| 2 |
| 7.3 |
| 0.9 |
| (M3.5) | 1.25 | 4.6 | 8.9 | 15.4 | 4.65 | 38 | 17.3 | 3.2 | 4 | 15.8 | 2 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.