it is as simple as using different alloy grades 304 ss bolts (most common)and 316 ss nuts to prevent galling .
I sell fasteners here in Houston to some chemical plants and shipyards and that is how they prevent it.
here is the link:
http://www.estainlesssteel.com/gallingofstainless.html

I live within 5 miles of alot of refineries and gas here today is $3.73 for gas and $ 4.59 for diesel , It still hard to believe in the increase in the last 12-18 months and no end in sight!

I recently picked up one from GL and was very satisfied with the condition and price even though on the high side ,it was within driving distance .
Here is a pic.

Reddman, I bought the truck and trailer ,picking them up this weekend,.I am looking forward to getting them.It will be my first m37,I've had several m715's and m725.
Did you buy your truck from Rondell out of Tennessee?
I will post pics when I get them.

Good job