[ROVERNET - UK] tough nut

[David Read]

As an addendum to Gavin's suggestion, have you tried to use a 6 point 
socket as they also give side grip, not just corners as a 12 point does?

Cheers
Dave
South Oz

Gavin.Walker at csiro.au wrote:
> Peter,
>   I'd suggest going to repco and getting a "Metrinch" socket the right
> size.  If you've only taken off the corners and it's not completely
> round the socket should work.  Metrinch sockts have lumps on the inside
> that drive off the flanks and not the tips of the hex.
> 
> If that fails then file two parallel flats in it and use a big open
> ended spanner.
> 
> Gavin Walker
> Canberra, Australia