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Re: [TowerTalk] Galling and seizing of SS nuts to SS threaded studs and

To: "Tower Talk" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Galling and seizing of SS nuts to SS threaded studs and bolts.
From: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sun, 2 Jul 2017 09:40:40 -0500
List-post: <mailto:towertalk@contesting.com>
My experience with stainless steel hardware for antenna installations is that 
small threaded bolts/nuts (6, 8 and 10 size) are most susceptible to galling.  
Once this happens, the bolt must be cut to remove the hardware.

I have received advice to use anti-seize on the threads.  However, I now use 
zinc plated hardware that has been painted with Rustoleum.  Over several years, 
some rust appears, but the nuts come off with a spray of lubrication such as 
WD-40 or GM Heat Valve Lubricant (the best I have found to deal with rust, 
still available at my local Chevrolet dealer).

73, Keith NM5G 

Recently my club received a donation of used equipment, including a Comet GP-1 
antenna.  One of the U-bolts could not be removed because of slight thread 
damage.  A die was used to clean the threads, and the nut then come off 
smoothly.

I use stainless and galvanized marine rated hardware for guy wires.  None of 
these has caused problems or accumulated corrosion.

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of J 
Chaloupka via TowerTalk
Sent: Sunday, July 2, 2017 7:27 AM
To: Towertalk Reflector <towertalk@contesting.com>
Subject: [TowerTalk] Galling and seizing of SS nuts to SS threaded studs and 
bolts.

I have often read where there is a problem of the threads of SS assemblies 
becoming seized or locked together after a time in the weather and becoming 
difficult and or useless when disassembly and reassembly is required.It is my 
opinion that one can use bronze nuts with the stainless threaded component with 
no such galling occurring. It is something I have done for years with no 
trouble.Opinions welcome.JIM, W4QBQ 
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