I would never use zinc plated hardware outdoors. Stainless steel may work, I
am not sure why you need 3/8-24 instead of 3/8-16. There are many reports
of the Orion clamp slipping so I assume that you have to bolt it very tight
which may break the stainless steel hardware. A stronger option that has
good corrosion protection is armor plated bolts. Both SS and armor plated
bolts are available at McMaster-Carr.
John KK9A
To: towertalk@contesting.com
Subject: [TowerTalk] Bolts for Orion OR2800 rotor
From: Georgek5kg@aol.com
Date: Mon, 21 Apr 2014 09:15:30 -0400 (EDT)
I need to replace the rotor-to-mast-clamp bolts on my OR 2800. They are
3/8-24 x 4" Grade 5 bolts zinc plated, and are totally rusted.
Since I live on salt water, I would prefer to replace them with stainless.
My question is: Is there any problem replacing the Grade 5, zinc plated
bolts with stainless in this application? Also, what is a good source for
3/8-24 x 4" ss bolts.
Tnx, George
George Wagner, K5KG
Sarasota, FL
941-400-1960 cell
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