Hongxu Hardware Co., Ltd
Hongxu Hardware Co., Ltd（Jiaxing Hongxin Trading Co.,Ltd）
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DIN 7504P Flat head,C1022 hardened self drilling screw with philips recess,zinc plated
Product Description:
With standard cross groove, the sliding head phenomenon is not easy to appear in the installation process, which can make the tool install quickly and save time.
The surface thread is smooth and complete, the screw mouth is deep, and the force is uniform, so it is not easy to remove teeth. The surface is smooth and smooth without burrs, and the connection with threads is smooth. It is fast and convenient.
Thread has a tightening effect, no residual burr, the diseased threads are complete and clear, and few teeth are missing.
Specification:
| Name | Cross flat head machine screw |
| Groove type | Cross |
| Standard | DIN7504P |
| Surface | Zinc plated |
| Material | Carbon steel |
| Packing | Plastic Bag + Carton |
| SIZE | ST2.9 | ST3.5 | (ST3.9) | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ||
| d | |||||||||
| P | Pitch | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| dk | MAX | 5.5 | 6.8 | 7.5 | 8.1 | 9.5 | 10.8 | 12.4 | |
| MIN | 5.2 | 6.44 | 7.14 | 7.74 | 9.14 | 10.37 | 11.97 | ||
| k | ≈ | 1.7 | 2.1 | 2.3 | 2.5 | 3 | 3.4 | 3.8 | |
| Slot number | 1 | 2 | 2 | 2 | 2 | 3 | 3 | ||
| dp | MAX | 2.3 | 2.8 | 3.1 | 3.6 | 4.1 | 4.8 | 5.8 | |
| Drilling range (plate thickness) | 0.7~1.9 | 0.7~2.25 | 0.7~2.4 | 1.75~3 | 1.75~4.4 | 1.75~5.25 | 2~6 | ||
Application:
Products are widely used in
1.electronics
2.hardware
3.toys
4.private
5.medical
6.sports
7.equipment
8.other industries.