That s what i ve considered doing on mine.
Pb blaster good for door locks.
It seems to have a highly volatile acetone mineral spirit denatured alcohol solution that left a white teflon powder behind.
This is the only teflon spray at home depot.
I have had good luck spraying a little pb blaster in there it really works well.
Get a can of pb blaster and use a straw and stick the straw in the door lock and spray the lock.
Pros the pros of using pb blaster are its features of breaking free almost any material.
In some instances its extreme pressure agents make it a suitable replacement for grease.
It also contains a non evaporating lubricant that saves time and equipment and protects against further rust and corrosion.
Seemed to work in the short term on my exterior lock and some old bedroom door knobs.
I suggest wd40 which i have used in outside door locks and should not harm any electrical wiring it might get into vs comments on graphite in earlier posts not being good for electrical contacts.
If you need to move something like wheel bearings door hinges and many more pb blaster has it covered.
That s more troublesome to me than the hinges.
I ve tried pb blaster and liquid lube.
Product overview b laster garage door lubricant is a silicone based lubricant that leaves a tack free film that won t accumulate dust and dirt.
Guess what no more moisture on the key and the lock has yet to freeze this year.
Protects against further rust and corrosion.
Teflon fluoropolymer reduces friction wear.
Time will tell long term.
Formulated with teflon fluoropolymer to help reduce friction and wear.
So this year i took the lock set apart and conditioned the gasket as well as used some dumb dumb sticks the black stuff used to mount the windshield between the lock and the gasket as well as between the body and the gasket.
It effectively helps stop squeaks associated with garage doors and mechanisms.
In some instances its extreme pressure agents make it a suitable replacement for grease.
It is considered as the most effective penetrating oil for aluminium coupled with its affordable price.
Formulated with teflon fluoropolymer to help reduce friction and wear.
Breaks free rusted or frozen parts.
It seems to help for a short time and then things start binding again.
The 1 selling penetrant since 1957 pb b laster quickly busts loose rusted or frozen parts caused by rust and corrosion.
Good oil for locks.
Also the latch pivot straps get gummed up and become hard to move the handles when opening and closing.