Thank you both for the help.
I've been doing more research, and have seen the NDS formula. I was confused by that first formula, is it possible it is a typographical error? It seemed though that the units were in inch-lbs.
Would the pullout force be the same if it was, instead of one 2x4...
The first posting here, so please be kind. I'm somewhat out of my area, which is why I'm hoping the experts will help!
I'm trying to calculate something I never expected to be so complex, the pullout force of an 8mm lag bolt 2" into a pine 2x4. I researched this, and found a formula, using...
