DIN 7981
DIN 7981, Cross recess pan head Self-tapping Screws, phillips drive, material: C1022A
Dimension of DIN 7981 as below:
 |
| Size | 2.2 | 2.9 | 3.5 | 3.9 | 4.2 | 4.8 | 5.5 | 6.3 |
| k max. | 1.8 | 2.2 | 2.6 | 2.8 | 3.05 | 3.55 | 3.95 | 4.55 |
| r | 3.4 | 4.4 | 5.4 | 5.8 | 6.2 | 7.2 | 8.2 | 9.5 |
| d2 | 4.2 | 5.6 | 6.9 | 7.5 | 8.2 | 9.5 | 10.8 | 12.5 |
| m | 2.6 | 3 | 4.2 | 4.4 | 4.6 | 5 | 6.5 | 7.1 |
| PH | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 |
1. All size in mm ;