[TowerTalk] Tower Anchor Bolt source

[Chuck Tifft]

Pacific Bolt, about $15 each. They come with one nut each, a small 
charge for extra nuts.

W6RD


On 11/30/2018 9:30 AM, JVarney wrote:
> Howie / WA4PSC wrote:
>
>>> I would appreciate leads to good sources for
>>> 1-1/8" x 27" tower anchor bolts.
> It is critical that when buying anchor bolts that you specify and
> require they meet the ASTM F1554 specification.  F1554 pertains
> to structural steel bolts embedded in concrete.
>
> I helped some local hams with custom designs and permits. I found
> that suppliers commonly carry large bolts in A36 steel but not
> F1554.  What I recall is the hams had the bolts fabricated from F1554
> stock, with a nut tack welded on one end, and then  hot dip
> galvanized.  Google "F1554 bolts" and  you'll find some fabricators
> who can make and ship to order.  Shop around, prices vary.
>
> I concur with Jim VE7RF -- it is critical that anchor bolts be done
> correctly.  In a freestanding tower ALL of the tower's forces and
> stresses are carried by the bolts and transferred to the tower
> base.  Not just any old plain steel bolt will do.
>
> 73 Jim K6OK
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