Bolt hole size before paint?

[GiantScale]

One more newbie question.. ??? ;D

My rigger will be painted inside & out. I dont want to have to drill out any holes after painting & "open" the paint job.

How much bigger do you drill the hole to allow for paint?

And..

I have many threaded holes also. 4-40 carb shield & cowl mounts. #8 wood screws for the exhaust bracket etc.. Should I drill these completely out? Then add epoxy after paint & rethread?

I will use sherwin williams 5 mil highbuild primer with U.S. paint awl quick filler on top of that. Then a single stage aerospace epoxy paint to finish so it wont be thin due to all the pinholes in the epoxy hull.

Thanks before hand.

Mike

 

[MikeP]

I like to seal and harden the threads and holes with thin CA before painting. Then put old screws in the holes to keep the paint out.

-MikeP

 

[GTR]

Hi

MikeP beat me too it but same approach. This is also a good way to tighten up loose threads, just wax the bolt when chasing the thread clean.

GT 8)