Posted by Milo in Pa [162.158.62.156] on Monday, November 20, 2017 at 18:15:45 :
In Reply to: What's the story on ACME thread bolts? posted by jim lee [108.162.246.236] on Monday, November 20, 2017 at 04:16:22 :
I think they use them in the floor plate to be easier to start and not cross thread. My 68 has 5/16 fine thread don't know why they changed