On 03/03/2012 10:20, Davey wrote:
On Sat, 3 Mar 2012 10:17:05 -0000
"Brian wrote:

WD 40, I don't think an Angle grinder is appropriate here..
Brian


Nor Duct Tape...

Actually you can potentially apply more force by wrapping with duct tape
and perhaps creating a couple of "handles" which you could then grip in,
say, a workmate.

Heat having failed, I would certainly be trying lubricant too.