One other thought.
I did not work in the automotive field, but mechanical maintenance in the nuke world.
We were required to not only lube the threads, but also the bolt head or nut face to get a proper torque.
Friction there also.

Don

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
1946 2-Ton grain truck
1946 3/4-ton pickup,
1953 1-ton pickup
1957 1-ton flatbed dually,
1954 Pontiac Straight Eight
Of all the things I've lost in my life, I miss my mind the most!