DIY & Home Improvement

SlimJimmy

(3,250 posts)

13. You made a wise choice opting for the PTFE as opposed to 3n1

Tue Nov 1, 2022, 03:56 PM

Nov 2022

3n1 is okay, but the PTFE is much better. When it comes to electromechanical locks (like the Kaba-Mas X-10) we use a white grease lubricant. It's fairly heavy, so it only goes on external parts like the dial housing, spindle, and protective sleeves. But it lasts forever. Okay, not forever, but for a very long time. I've never melted it, so I'm not sure if that would work. Also, I'm taking a bit of a guess because I rarely see metal bearings in locks or safes (except for the ball bearings embedded in the hard plate of some Liberty safes.)

One last thought. You could try the Tri-Flow pinpoint pen. I'm just not sure if you would get enough lubricant internally to do any good.

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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

It's okay, but for locks, I highly recommend either Houdini or tri-flow. SlimJimmy Oct 2022 #3

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

Spray silicone is great at first, but will tend to harden or dry out over time. SlimJimmy Nov 2022 #6

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