Lest I be misunderstood, let me clarify that I would prefer to put a
good anti-galling grease on all-stainless fasteners rather than use a
Grade 5 nut on the stainless steel U-bolt. My main reason is that I know
the Grade 5 or 8 nuts will eventually rust.
If I did not use a lock washer on U-bolt nuts, I think I would surely
put on a jam nut. The reason is that it is difficult to get good
compression of a lock washer under the head of a single nut on a U-bolt
as the strap will bend, limiting the compression force.
--
Best wishes,
Larry McDavid W6FUB
Anaheim, CA (20 miles southeast of Los Angeles, near Disneyland)
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