Greetings from SE TN...gotta luv that experience can't read about and you certainly can't buy it. I will be tossing these used bits to the back of the drawer. Never even considered that spot welding in the day at the various assembly plants might have used a slightly different diameter machine???
What I see and I'm certainly guessing is something along the lines of 5/16" in the '59.
Last edited by Apache1; 06/03/2019 11:03 PM.
