Grant Saviers wrote:
>For SDS and spline hammer/chipper drills (e.g. Bosch), you can get a
>ground rod drive bit that fits over the end of the rod. If you have
>several rods to drive they are a worthwhile tool to rent at your local
>rental yard. (or find an electrician that will loan you his)
For SDS+ you can also buy a 0.5in sq socket adapter (eg
www.screwfix.com/p/sds-plus-nut-driver/16662). The flat end makes a
good hammer for driving rods, and you can add a socket of just the right
size to prevent it jumping off.
The other *big* advantage of SDS is that you can also buy drill bits up
to 1.0m (39in) long for drilling pilot holes in stony ground.
Surprisingly, the SDS system can still deliver a decent hammer action at
such a long distance from the drill.
--
73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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