Cross Recessed Hexagon Head Tapping Screw with Indentation and Large Plain Washer Assemblies
GB 9074.21 - 1988 十字槽凹穴六角头自攻螺钉和大平垫组合
See all versions and complete specifications: Cross Recessed Hexagon Head Tapping Screw with Indentation and Large Plain Washer Assemblies — Full Specification Page
| Size | P | s_max | s_min |
|---|---|---|---|
| ST2.9 | 1.3 | 1 | 11 |
| ST3.5 | 1.6 | 1.6 | 15 |
| ST4.2 | 2.1 | 2 | 21 |
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.