Cross Recessed Raised Countersunk Head Tapping Screws
ISO 7051 - 2011 十字槽半沉头自攻螺钉
See all versions and complete specifications: Cross Recessed Raised Countersunk Head Tapping Screws — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 847 |
| NF | NF E 25-657 |
| DIN | DIN EN ISO 7051 |
| ISO | ISO 7051 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST2.2 | 1.1 | 1.7 | 2.1 | 5.2 | 0.7 | 2.2 | 6.3 | 1 | 3.2 | 5.5 | 1.7 |
| ST2.9 | 1.4 | 2.1 | 2.6 | 8 | 1 | 2.8 | 9.4 | 2 |
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.
| 4.6 |
| 8.4 |
| 2.6 |
| ST3.5 | 1.8 | 2.8 | 3.3 | 9.9 | 1.3 | 3.6 | 11.5 | 3 | 6.6 | 10.3 | 3 |
| ST4.2 | 2.1 | 4.0 | 4.6 | 15.4 | 2 | 4.2 | 17.3 | 4 | 8.9 | 15.8 | 4.65 |
| ST4.8 | 2.1 | 5.1 | 5.7 | 17.8 | 2.3 | 4.2 | 20 | 4 | 10.0 | 18.3 | 5.25 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.