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DIY & Home Improvement

(8,518 posts)

2. Thanks. I've been using graphite forever.

Mon Oct 31, 2022, 11:41 PM

Oct 2022

Not very often but it always works. It will leave black residue for the first few times on a key.

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14 replies

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What oil (lubricant) to use for door locks and safe locks [View all] SlimJimmy Oct 2022 OP

What about Three-in-One oil? brush Oct 2022 #1

Thanks. I've been using graphite forever. rubbersole Oct 2022 #2

The problem is what's happening inside the lock with the graphite. SlimJimmy Oct 2022 #4

Is spray silicone a no-no? Drum Nov 2022 #5

Thanks for the clarification and this OP--interesting and useful Drum Nov 2022 #7

Is PTFE ok? nt intrepidity Nov 2022 #8

Yes, PTFE is a good base for a lubricant. SlimJimmy Nov 2022 #9

Right, that's the stuff I use intrepidity Nov 2022 #10

I'm not sure if it's dielectric or not. SlimJimmy Nov 2022 #11

Re bearings intrepidity Nov 2022 #12

You made a wise choice opting for the PTFE as opposed to 3n1 SlimJimmy Nov 2022 #13

What oil (lubricant) to use for door locks and safe locks Gavra Mead Barcelona Jan 2023 #14