[TowerTalk] FW: Leg Nuts and Bolts

[Grant Saviers]

Interesting since the PE wet stamp dated 10/30/2009  EIA-222-F analysis 
on th eUST web site shows 1 1/8" x 27" A36 or ASTM F1554 GD36 headed 
bolts embedded a minimum of 21"
IIRC, the heads are 4x4x5/8" plates with welded nuts.

Probably best to check how the base is drilled and then buy the bolt 
size and grade that fits.

Grant KZ1W

On 5/19/2018 13:23 PM, Matt wrote:
> The 1986 UST Catalog shows standard TMM-433HD shipped with 1" x 36" anchor
> bolts.
> The 2013 UST Catalog shows standard TMM-433HD shipped with 1" x 27" anchor
> bolts.
> I surmise that pull-out rating is the only difference and is not a limiting
> stress factor for either length provided that the bolts are embedded with
> anchor plates or HD washers.
>
> Be sure to use galvanized bolts with matching nuts meeting ASTM F1554 Grade
> 55 (55,000 psi yield strength) or better.  Also use anchor plates or HD
> galvanized washers under the embedded heads.
>
> A good source for anchor bolts is:
>
>   Superior Bolt & Nut Mfg.
> 4202 E Elwood St, Suite 16
> Phoenix, AZ 85040
> 602-841-8100
>
> They specialize in tower & pole anchor bolts  and I found John (owner) to be
> knowledgeable & helpful.   Prices are much more reasonable compared to UST.
>
> I have some pictures of several tower anchor bolt installations at the web
> pages linked to my QRZ lookup if that will be helpful for you.
>
> Hope this information is of use & good luck on your project.
> 73
> Matt
> KM5VI
>
>
>
>
>
>> On 5/15/2018 12:12 PM, Joe Partlow wrote:
>>> Other than US Tower, where would I get the nuts and bolts use to
>>> attach a TMM-433HD to its base? The docs call them out as 0.75 inch
>>> diameter
>> (A325N)
>>> 1.25 inch (length?) and dosn't say anything about washers.
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