Plain Washers for Tapping Screw and Washer Assemblies - Normal Series - Product Grade A
NF E 25-522 - 1999 标准型组合垫圈 用于自攻螺钉和垫圈组合件
See all versions and complete specifications: Plain Washers for Tapping Screw and Washer Assemblies - Normal Series - Product Grade A — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| ST2.2 | 2.6 | 1 | 1.06 | 2.5 | 7 | 6.64 | 0.94 |
| ST2.9 | 3.67 | 1 | 1.06 | 3.55 | 9 | 8.64 | 0.94 |
| ST3.5 | 4.82 | 1.6 | 1.68 | 4.7 | 12 | 11.57 | 1.52 |
| ST4.2 | 7.3 | 1.6 | 1.68 |
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.
| 7.15 |
| 16 |
| 15.57 |
| 1.52 |
| ST4.8 | 8.95 | 2 | 2.09 | 8.8 | 20 | 19.48 | 1.91 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.