Which screw is suitable for bracket to awning mount?

[Fairlane]

On the back, there have previously been two awnings, each 4 meters wide. When they broke, I first mounted a 5-meter one instead, and now the next 5-meter one will be put up next to it for better coverage.



The previous owner (builder) had mounted the former ones and placed a beam (145x45) which the awning's fastenings are screwed into, but the beam is too short. So, I'm thinking of putting up a new beam next to the existing one (about 150 cm), and there are, as I interpret it, 3 vertical studs I can screw into. If I understand correctly, there are thin asbestos cement sheets as the facade, and it's in the seam between these that screws have been placed before, and I figured it's reasonable that there's a stud behind, so I'm going to do the same.



So the question is, which screws should I use? Approximately 3.5 meters of the awning will be on the existing beam and then 1.5 meters on the new one. There are quite significant forces, so it really needs to be secure.

So what do you say? Which screw is suitable for fastening the beam and which dimension?

 

[Fairlane]

A bit surprising that no one has a clue?!

 

[Isakare]

Attach the rule to the wall??
5-6 mm x 100, countersunk head, half-threaded type.
Drilled holes in the rule and the profile beforehand so it grips the wood inside.
3 screws per attachment point.

 

[Fairlane]

Attach the bracket to the wall??
5-6 mm x 100, countersunk head, half-threaded type.
Drilled hole in the bracket and profile beforehand so it pulls in the wood behind.
3 screws per attachment point.

Thanks,

Then I'll go with that.