Should You Use Wd 40 on Locks?

The simple answer is you should not use WD40 to lubricate locks. WD-40 is one of the solvent-based lubricants and does not contain any lubricant and over time can make your lock even stickier by gumming the lock up.

Why is WD-40 bad for locks?

But this multi-faceted product has limitations – it should never be used to lubricate locks! The main reason for this is that WD40 is not a true lubricant; it is a water and oil displacing solvent. ... As well as this, using WD40 in a lock can lead to the collection of dust and grime, causing the lock pins to stick.

What lubricant should I use on a lock?

Spray a light all-purpose household lubricant or silicone lubricant on all moving parts of the lock, flushing out the latchbolt. Use powdered graphite to lubricate the lock cylinder.