Slotted Raised Countersunk Head Screws with Waisted Shank
GB 949 - 1988 开槽半沉头不脱出螺钉
See all versions and complete specifications: Slotted Raised Countersunk Head Screws with Waisted Shank — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 | 0.7 | 1.9 | 9.5 | 1 | 2.7 | 9.4 | 8.4 | 1.51 | 1.26 | 8 | 1.2 |
| M4 | 1 | 2.8 | 12 | 1.4 | 3.3 | 12.6 | 11.3 | 1.91 | 1.66 | 10.9 | 1.6 |
| M5 | 1.5 | 4.4 | 19.5 | 2.3 | 5 | 20.0 | 18.3 | 2.81 | 2.56 | 17.8 | 2.5 |
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.
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.