your bolt Guy is full of pre-manure. or he sells bootleg bolts that conform to no industry standard, most likly from china or singapore.
I don't mean to highjack this thread, but I like Ted's quote at the end of his messages... So much so, I sent a copy to my wife... Her comment was, "That may be so, but they usually don't have a problem until a man starts F!@#'n with them"![]()
....Now alls I have to do is retrain myself to say"UNF-UNC,"......