old man emu Posted November 23, 2020 Share Posted November 23, 2020 We've all got a can of WD-40 in the workshop. It's part of the minimalist toolbox - "If it's supposed to move and it doesn't, WD-40. If it moves and it shouldn't, duct tape." We tend to think of WD-40 as a penetrating oil to be used to free up corroded fasteners, but although it does a fairly good job of that, it is not a job it was designed to do. https://www.youtube.com/watch?v=aTD_SBudQfY&t=382s You only need to watch the first 5:45 minutes. As for penetrating oil, here's what I use - 50% acetone + 50% automatic transmission fluid. It's cheap and easy to make https://www.youtube.com/watch?v=hLl_voFdZYA Link to comment Share on other sites More sharing options...
kgwilson Posted November 23, 2020 Share Posted November 23, 2020 Yes Water Dispersant 40th try. I only use it when I can buy a can on special and as a corrosion deterrent. Inox MX3 is better as a corrosion deterrent, a water dispersant and is also a lubricant. Link to comment Share on other sites More sharing options...
skippydiesel Posted November 23, 2020 Share Posted November 23, 2020 Non scientific observation: I find the WD -40 spray can fluid to be somewhat less persistent and viscus's than the liquid variant. I have both on the shelf but use the spray can much less frequently. Link to comment Share on other sites More sharing options...
Yenn Posted November 24, 2020 Share Posted November 24, 2020 I gave up WD40 years ago and use Inox, which seems to do all the same things better. I have used acetone and auto fluid as a penetrating oil with good effect. Another thing I have used is Kero and washing up liquid mixed as a degreaser. I don't know if it is better or worse than the bought stuff as I have never bought any. Link to comment Share on other sites More sharing options...
skippydiesel Posted November 24, 2020 Share Posted November 24, 2020 Inox is good have a bottle of that as well as the WD liquids/spray can. I tend to use them for different things. The Inox is more expensive so am more careful with how much & what I use it on. The WD liquid gets used a lot, particularly for cleaning. The WD spray can, infrequent use, mostly when I need a "jet" of stuff. Link to comment Share on other sites More sharing options...
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