DIN 7973
DIN 7973 , Slotted Raised Countersunk Head Self-tapping Screws , Slotted Raised Flat / Countersunk head tapping screws.
Dimension of DIN 7973 as below:
 |
| d | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 |
| dk | 5.5 | 7.3 | 8.4 | 9.3 | 10.3 | 11.3 |
| k (max) | 1.7 | 2.35 | 2.6 | 2.8 | 3 | 3.15 |
| f | 0.7 | 0.8 | 1 | 1.2 | 1.3 | 1.4 |
1. All size in mm ;