Which Screws for Curtain Rail in Ceiling?

Which Screws for Curtain Rail in Ceiling?

Which Screws for Curtain Rail in Ceiling?

I've previously asked about putting up a curtain rail into my ceiling. I've found the wood beams and I've been told to use wood screws.

Upon visiting B&Q I was met with an entire shelf full of screws and I do not know which one to pick.

Any advice on what to pick?

Here's a picture from the instructions, seems it needs a rounded head?

by panthro100

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