[TowerTalk] Anchor Bolt Grade

Bob K6ZZ bob.selbrede at gmail.com
Wed Apr 22 09:28:44 EDT 2026


Hi Folks,

Is there any downside to using anchor bolts with a tensile strength that
exceeds the tower foundation design requirements?  All other specifications
would be the same other than Grade.

I am helping a friend reinstall a UST HDX-689. The foundation design
specifies Grade A36 headed anchor bolts; however, the supplier can provide
Grade A55 bolts for the same price with a faster delivery time.

I assume this would not be an issue, but I wanted to verify before
proceeding.

Thanks,

Bob K6ZZ


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