On 18 Dec 2006 16:42:42 -0800, wrote:

I'm replacing the faucet on our shower/tub. The nipple is NOT budging.
I used WD-40 and kind of stripped the threads in trying to get the
nipple off. ANy suggestions? I don't want to use too much strength
since the shower head is wiggling as I try to turn the nipple.

Probably the best penetrant to use is beeswax. Heat the area of
interest and the wax will follow the heat.