Hexagonal head, A2-70 stainless steel
Pre-assembled with:
- 1x EPDM gasket
- 3x self-locking nuts, similar to DIN 6923, A2 stainless steel
Note:
For the installation of connecting screws, it is recommended to follow the procedure below:
Drill Ø 13 mm hole in the roof covering and Ø 7 mm hole in the wooden support
The connecting screws must always be mounted on the crests of corrugated metal sheets to provide additional protection against moisture. The connecting screws must always be mounted perpendicular to the roof slope.