Kelley,
In addition to mcmaster, try your local farm supply store. They have
them in all lengths.
Don
N8DE
Quoting Gene Smar <ersmar@verizon.net>:
> Kelley:
>
> First of all, don't drill any more holes in your tower. The damaged
> hole will eventually weaken with rust, especially on the thin steel of an
> HDBX tower. There are other, non-destructive ways to attach your ground
> wires.
>
> Try McMaster-Carr http://www.mcmaster.com/#cap-screws/=8h6qu6 for the
> full threaded hardware you need. I can't imagine that full-thread 9/16 inch
> bolts are unavailable to you.
>
> If you are truly unsuccessful, you might try an electrical supplier
> that carries Harger connectors. I used their 213-T
> http://www.harger.com/products/grdcmp/mech/bc/bc.cfm connectors to connect
> the #2 ground wires to my Trylon angle steel tower legs. Just be mindful
> that they won't tighten too well on smaller gauges than #6 (#8 and above.)
>
>
> 73 de
> Gene Smar AD3F
>
>
> ----- Original Message -----
> From: "Kelley" <kshaddrick@jetup.net>
> To: <TowerTalk@contesting.com>
> Sent: Thursday, August 19, 2010 7:00 PM
> Subject: [TowerTalk] Rohn HDBX Advice
>
>
>> I just put up a Rohn 48' HDBX tower. Before I start putting up antennas,
>> I want to add some more grounds to the tower. The current bolts that
>> hold the tower to the base are not long enough to add another nut so I
>> can attach the ground wire. I've been unable to find any longer bolts
>> that will work as the unthreaded length of the longer bolts is to long,
>> thus I hit the end of the thread before they are tight.
>>
>> My multiple part question is, does anyone know of a supplier of longer
>> 9/16" bolts that are threaded their entire length? If not, does anyone
>> know of some sort of clamp that would attach to the tower legs that I
>> can attach ground wire to? Or, can one drill another hole in the legs to
>> attach a ground wire without jeopardizing the integrity of the tower? Or ?
>>
>> Thanks,
>>
>> Kelley
>>
>> _______________________________________________
>>
>>
>>
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