Where I live, even Bosch hammer drills driving Bosch drill bits have a
hard time getting through the blue granite rocks that abound here. I've
watched it in action.
Dave AB7E
On 11/30/2010 12:35 PM, Warrenwolff wrote:
> I found the 8 foot ground rods at the local
> electrical wholesaler who was very happy to
> sell them at half Lowe's price.
>
> My electrician buddy drives the 8-footers through
> very rocky earth, no top soil herein LHC. He used
> a Bosch hammer drill; went in like through butter.
> I was astounded.
>
> Warren; W7WY
>
>
>
>
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