The Medway Handyman wrote:
Dave Osborne wrote:
PeterC wrote:

Out of interest, is there a thin spray lube that's OK for switches,
locks etc?
PTFE dry-film lubricating spray.

Contains tiny balls of PTFE (Teflon) suspended in volatile solvents.
The solvents evaporate leaving the PTFE as a dry-film lubricant.

Apart from generally being bad, WD40 has a tendency to get onto the
key and then stain your hands/clothes, so it's a bad idea for this reason
alone.

Then why do Yale reccommend WD40 in black & white? Arrrrghh!



Ignorance on the part of the marketing dept.?

Plenty of so-called "professional locksmiths" use WD40 to lubricate
locks. Makes my blood boil, but what can you do? Way of the world these
days.

For some people, ignorance is championed as a human right and is proudly
worn as a badge of honour.