Adrian C wrote:

Just doing some partition work with plasterboard. I've been supplied
phosphor coated screws - what's the reason for the coating?

plain steel rusts, you get rust stains on the plaster, then the plaster
pops off.

Probably more important with PB screws is the head shape. Ordinary
woodscrews make a total dogs ear of PB.

I notice also PB screws are cheaper, and work fine in wood.


NT