Ron Majewski wrote:
>
> Hello to all-
>
> I'm installing a roof tower on my house and have a question about
> bolt grades. My local hardware store sells grade 3, 5, and 8 bolts.
> The tower loading will place some bolts under tension, while others
> will be under shear. The manufacturer makes no recommendation as to
> bolt grade.
>
> Are there any rules for choosing bolt grades given a specific load
> situation?
>
> Thanks in advance and 73,
>
> Ron (W8RU).
Hi Ron. Just go with the grade 8 and you'll never have to worry. 73
Tom W7WHY
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