[TowerTalk] Drawing and/or list of fasteners: US Tower TX-472

[Grant Saviers]

All the UST bolts are galvanized.  So should the A325s.

Grant KZ1W

On 4/20/2021 14:32, Curt Mills wrote:
> More info... I measured the bolts that were on the tower originally
> (reminder: They were SAE Type 5).
> 
> The majority of them are 2" long, 3/4" diameter, and the heads fit a
> 1-1/8" wrench. The two hinge bolts are the same specs but 3" long 'cuz
> they also have to accept the diagonal bracing pieces for the erection
> structure.
> 
> Do the above match the US Tower-supplied bolts? Should they be plain
> steel or galvanized?
> 
> Looks like I can buy A325 bolts/nuts from Grainger, Fastenal, and
> Tacoma Screw Products locally. Should they be plain or hot-dipped
> galvanized?
> 
> Thanks for any help!
> 
> On Tue, Apr 20, 2021 at 1:14 PM Curt Mills <curt.we7u at gmail.com> wrote:
>>
>> I need a drawing or list of fasteners for the TX-472. I know they're
>> ASTM a325 bolts/nuts.
>>
>> I don't need the 27" bolts or the nuts for those: I bought them from
>> US Tower directly.
>>
>> What I need are the 3 bolts each for the front  / 4 bolts for the rear
>> flanges plus associated hardware (nuts/washers).
>>
>> I suspect I can use Grade 5 hardware for the erection component
>> fasteners as those aren't structural members.
>>
>> Anyone have a list of components & sizes or a drawing? Also need to
>> know about washers and where they go. The earlier owner only had
>> washers on the 2 hinge bolts and I don't even know if the placement of
>> the washers he had was correct.
>>
>> Any help appreciated. Thanks!
>>
>> --
>> Curt, WE7U        http://xastir.org        http://www.sarguydigital.com
> 
> 
>