[TowerTalk] Grade 8 Bolts

[Gerald Smith]

I seem to rememember that grade 8 bolts are rated for linear loads, not
shear strength. If true, does that make them OK for tower sections?

Gerry, W6TER

KI7WX@aol.com wrote:
> 
> Fasteners:
> 
> McMaster-Carr (www.mcmaster.com) has a very nice supply of harware in various materials. They also have implemented a super online ordering system and catalog. Delivery times on the order of 2-3 days using ground UPS.
> 
> For tower bolts I decided to try USA made grade 8 cap screws with something called "ultra-coat". Supposed to be twice as resistant to corrosion as comparable galvanized fasteners and are available in fine or coarse threads in the size I needed for 55G sections.  Grade 8 bolts are probably overkill for this application, but the cost isn't large so what the heck.
> 
> Mark
> KI7WX
> 
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