Penetrating oils

Interesting info, came from a Machinest magazine, might have to try it sometime. Right now I mainly use Kroil.

Subject: Penetrating oils comparison

For you do-it-youurselfers, see below. Very interesting.
Penetrating Oils

Machinist's Workshop magazine

recently published some information on various penetrating oils that I found very interesting.
Some of you might appreciate this. The magazine reports they tested penetrates for break out torque on rusted nuts.

They are below, as forwarded by an ex-student and professional machinist.

They arranged a subjective test of all the popular penetrates with the control being the torque required to remove the nut from a

"scientifically rusted" environment.

*Penetrating oils ........... Average torque load to loosen*

No Oil used ................... 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 is a "home brew" mix of 50 - 50 automatic transmission fluid and acetone.

Note this "home brew" released bolts better than any commercial product in this one particular test.

Our local machinist group mixed up a batch and we all now use it with equally good results.
Note also that "Liquid Wrench" is almost as good as "Kroil"
for about 20% of the price.

Steve from Godwin-Singer says that ATF-Acetone mix is best, but you can also use ATF and lacquer thinner in a 50-50 mix.
*ATF=Automatic Transmission Fluid

Good info there,.....

I remember reading about the ATF & acetone before.

I mostly use PB Blaster and like it mostly because its free and works good

I like JB-80 from Justice Brothers. Used to "acquire" it but not anymore. I think I have 1 can left (hidden, of course).

I have used Kroil before, but I prefer Corosion-X! I've sprayed it on heavily rusted bolts and came back the next day and had them turn out easily. There is also the "old timers trick" of heating the head of the bolt with a torch while pressing a stick of beeswax against the nut. As the bolt heats up, it melts and draws the beeswax into the threads at the nut and freeing it!
Gary

GTmustang wrote:I have used Kroil before, but I prefer Corosion-X! I've sprayed it on heavily rusted bolts and came back the next day and had them turn out easily. There is also the "old timers trick" of heating the head of the bolt with a torch while pressing a stick of beeswax against the nut. As the bolt heats up, it melts and draws the beeswax into the threads at the nut and freeing it!
Gary

Thank I'll use this one, because all I have around here is BEE"S