Best Penetrating Oil That Will Not Harm Wood

[Tumbler]

I have perused 8 pages of the search engine for the best penetrating oil. This one comes up a lot. best penetrating oil by far is simply 50/50 mix of Acetone and Automatic Transmission Fluid. I let it soak for a couple of days and the frozen screws came right out... My problem is that the two screws that secure the trigger guard are stuck. The pistol is from 1801 (or so). The only penetrating oil that I can find that flat out says that it won't harm wood is Gibbs. Has anyone had experience with it or is 50/50 ATF and Acetone just as good and safe on wood.

 

[mooman76]

No experience with this in particular but in time acetone will remove the finish on would. Also dissolves some plastics.

 

[ZUG]

Acetone will attack the finish on a gunstock. Kroil is a good penetrating oil. I have gotten it on a gunstock but I have wiped it of when I did so it did not sit on the finish for long. I saw no ill effects.

 

[Sam squanch]

With screws stuck in wood, I use an old screwdriver, heated up , then touched to the screw head briefly. I guess this may work with metal to metal contact too. Just be careful!