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

[Curt Mills]

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



-- 
Curt, WE7U        http://xastir.org        http://www.sarguydigital.com