Yes, I use non-galvanized nuts with bolts that are similar to galvanized
many times on tower brackets and rotators where I do not want to use
stainless steel bolts. To be specific, I use armor coated grade 8 bolts and
stainless steel Nylock nuts. The bolt is extremely strong and the armor
coating provides excellent corrosion resistance without making it oversized.
This combination has worked quite well for me. I have to give credit to K7NV
for this idea, I started doing this after seeing that Kurt uses this
hardware combination on his prop pitch rotators.
John KK9A
To: towertalk@contesting.com
From: "Richard (Rick) Karlquist
Date: Mon, 17 Sep 2018 11:31:04 -0700
I use Nylok's all the time. But the Rohn supplied bolt is galvanized.
AFAIK, they don't make galvanized Nylok's. At least, McMaster doesn't
sell them, which is normally a bad sign.
Does anyone have any experience with mating non-galvanized nuts with
galvanized bolts? That's a no no? I thought that they wouldn't fit due to
the excess zinc material, but I've never tried it. I suppose
I can also replace the bolt with non-galvanized.
73
Rick N6RK
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