Best Penetrating Oil Is The Cheapest

Best Penetrating Oil Is The Cheapest FARM SHOP Miscellaneous Machinist’s Workshop magazine recently tested penetrating oils for break-out torque on rusted nuts They “scientifically rusted” a bunch of nuts treated them with various penetrants and then measured the torque it took to remove them Here are the results: • Nothing 516 pounds • WD-40 238 pounds • PB Blaster 214 pounds • Liquid Wrench 127 pounds • Kano Kroil 106 pounds • ATF-Acetone Mix 53 pounds The ATF-Acetone mix was a “home brew” mix of 50-50 automatic transmission fluid and acetone Note that the “home brew” was better than any commercial product Note also that Liquid Wrench was as good as Kroil for about 20 percent of the price Thanks to reader Larry Heineman at L&G Products Co manufacturer of “Add-A-Stick” excavator extensions - www add-a-stick net - for passing along this story

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