Originally Posted by wrath
Screwing down the deck is dumb unless you're going to carriage bolt it. A good flexing of the trailer is going to pop drywall/deck screws like buttons on a fat man's shirt.
I used carage bolts on my last trailer deck, they worked good. On the new trailer, I am using these sweet "wood to metal" electro coat self drillers. they have a counter sunk head. But they are not exactly cheap. I will try to get a pic of them.