Sheet Metal Screws vs. Wood Screws
I'm getting ready to mount my solar panels to my 5ver roof. It's 3/8" plywood. I'm planning two screws per bracket and four brackets per panel. I bought stainless steel screws for the mounting and pla...
Forum Discussion
Here is what most people don't realize about screws is that they are supposed to work like a bolt. A bolt slips through the item to be secured then into a nut that tightens things together. A screw should be applied the same way. The screw slips through the item to be secured then into the wood or other material that will act as a bolt.
Wood screws have a neck that facilitate the slipping through the item to be secured. A sheet metal screw needs a clearance hole in the item to be secured, which is usually thin a therefore does not need a neck.
Sheet metal or drywall screws are IMO the most misused screw, I see wo 2x4's attached with drywall screws that have a space between them. That's because the first 2x4 acts like a nut then spins trying to drill a hole in the second one (the gap) an then taps into the 2x4.
Sorry for the rant, this is a pet peeve of mine!
Yes filling a pretty drilled screw hole with a sealant is the best way on the exterior of a RV.
Wood screws have a neck that facilitate the slipping through the item to be secured. A sheet metal screw needs a clearance hole in the item to be secured, which is usually thin a therefore does not need a neck.
Sheet metal or drywall screws are IMO the most misused screw, I see wo 2x4's attached with drywall screws that have a space between them. That's because the first 2x4 acts like a nut then spins trying to drill a hole in the second one (the gap) an then taps into the 2x4.
Sorry for the rant, this is a pet peeve of mine!
Yes filling a pretty drilled screw hole with a sealant is the best way on the exterior of a RV.
