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Thats informative thank you. The two I have driven in after a 6mm pulot hole went in fine but I just wondered if a smaller pilot would be better as they are for tying rafters down Thanks

That makes sense, thank you Makes sense, thank you

That would make sense , in this case then a drill bit 5 to 6mm for the 'pilot'

Thank you

Hi Ihad read somewhere to use a pilot hole. Also wonder if it woukd split the wood?

Thank you

Dear all What drill bit diameter and bit type would you recommend for 6.7mm timberfix screws. They are 150mm long. I have a 6mm Auger bit which seems ok but wonder if I need a smaller pilot hole as they are for tying down green oak rafters for the roof of a gazebo project (images attached)...

Thanks.

Thought of that but wonder if box profile would look better? Cheers

Thanks

Thanks Pete, will take a look

Its a low pitch of 4 degrees James as needs to be less than 2.5m tall so I think those options are not suited?

Thanks Baldkev. Yes intend to paint the ply

Hi I am planning to pit a monopitch roof on my timber frame. Ordering oak rafters in and will use 15mm ply boards on top of the rafters followed but box profile roof sheets. What is recommended to secure the whole thing into the timber frame below? Thank you Jon

Thanks but would need to raise the frame to fit so will go for sonwthing heavy duty that can slide uo to the post faces Thanks

Yep, so going to fix the posts down first Thanks

I see. Going to fix them down. I hate flying! Cheers

Thanks Adam. Very helpful

Silver zinc galvanised like this Adam?

Thanks Mike There will be a gap all round between beams and roof so guessing that would reduce uplift considerably?