Working on a tree house for the grandkids and finally decided I was ready to bolt the first support to the tree - 3/4" lag 6" long. Drilled a 7/16" pilot - do you know how hard it is to drive a 3/4" lag?? Do you know how ticked off a guy gets when he twists the first one off cinching it down to the support??
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Not sure yet if I shift over 22degrees, move up a foot or so, or shift to a different tree. One thing I do know is that the next one will get a bigger pilot hole and some vegetable oil lube!!