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| Caught in a loop |
Alright, so when my grandfather passed in January I inherited some of his tools. In particular, I have a EA Grobet coarse rasp, probably 12-14 inches long. It's covered with a light coat of surface rust due to exposure to a saltwater environment (he lived in RI on the coast). I just fitted a new handle to it, and I want to make sure it lives a long life in my workshop. I am in the process of trying to get photos onto Imgur from my phone, and will update once I have them. In the meantime, since scrubbing it with a wire brush is out, anyone got any suggestions? I have thought about boiling it in some water to rust blue it, but would like to hear some other possible solutions. "In order to understand recursion, you must first learn the principle of recursion." | ||
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Member |
Soak in 1:10 solution of muriatic acid (any pool supply store will have it). https://sciencing.com/clean-ru...ic-acid-8319296.html --------------------------------------- It's like my brain's a tree and you're those little cookie elves. | |||
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| Triggers don't pull themselves  |
Sounds like a worthwhile restoration project. I have a few of my grandfather's tools and cherish them. I've had great success with Evapo-Rust Available on-line and at most hardware/big box stores. | |||
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| Caught in a loop |
Here's the photos. I've got quite a few of his files, though this is one of the few that is worth saving (the rest are fodder for making knives, assuming there's enough good steel there). I've heard of Evapo-Rust though I've never used it. Might have to get some. "In order to understand recursion, you must first learn the principle of recursion." | |||
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semi-reformed sailor |
Vinegar "Violence, naked force, has settled more issues in history than has any other factor.” Robert A. Heinlein “You may beat me, but you will never win.” sigmonkey-2020 “A single round of buckshot to the torso almost always results in an immediate change of behavior.” Chris Baker | |||
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Member |
https://www.theruststore.com/H...-Evapo-Rust-W28.aspx Get some Evaporust. Soak the files till the rust comes off and then rinse them down. They should be good to go! -edit- I see others have faster fingers than me. "The people hate the lizards and the lizards rule the people." "Odd," said Arthur, "I thought you said it was a democracy." "I did," said Ford, "it is." "So," said Arthur, hoping he wasn't sounding ridiculously obtuse, "why don't the people get rid of the lizards?" "It honestly doesn't occur to them. They've all got the vote, so they all pretty much assume that the government they've voted in more or less approximates the government they want." "You mean they actually vote for the lizards." "Oh yes," said Ford with a shrug, "of course." "But," said Arthur, going for the big one again, "why?" "Because if they didn't vote for a lizard, then the wrong lizard might get in." | |||
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Unflappable Enginerd |
Another vote for Evapo-rust, works well, and it's reusable. __________________________________ NRA Benefactor I lost all my weapons in a boating, umm, accident. http://www.aufamily.com/forums/ | |||
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Member |
I was going to recommend Ospho, but after looking at the photos, that might be a bit too aggressive. Would also likely alter the finish. The Enemy's gate is down. | |||
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Age Quod Agis |
It looks to be in really nice shape to me. I live in Florida, so all of mine have a light coat of surface rust as well. I'd probably just put it to work, rather than risking having the acids in the rust agents dull the points of the rasp. I'd spray it down with WD-40 or PB Blaster, wipe with a rag, blow with compressed air, and put it to work. "I vowed to myself to fight against evil more completely and more wholeheartedly than I ever did before. . . . That’s the only way to pay back part of that vast debt, to live up to and try to fulfill that tremendous obligation." Alfred Hornik, Sunday, December 2, 1945 to his family, on his continuing duty to others for surviving WW II. | |||
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quarter MOA visionary |
I agree Ospho is not the right product, Evaporust would be perfect. | |||
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| Member |
I'd polish it off by making some sawdust with it. | |||
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| Member |
Use a brass bristle brush to remove any accumulated crud . | |||
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| Banned for showing his ass |
Works ... ! I soak rusted metal items in white vinegar for a few hours, rinse, then a quick 5 minute soaking in baking soda and water. Dry well and a light coating of silicone. | |||
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Ammoholic |
Be very careful with this. It will etch the metal if not done with perfect dilution and duration. Also make sure to have something basic to dunk it in afterwards to neutralize the acid. Jesse Sic Semper Tyrannis | |||
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| Caught in a loop |
The overwhelming support for evaporust has me trying to get my hands on some, it seems. "In order to understand recursion, you must first learn the principle of recursion." | |||
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| Thank you Very little  |
OTOH you got them with some rust, that's the way they've aged, unless they are going into a shadow box, or need to be salvaged, then agree with Artie, go find something to work on, and use them... they only are original once, no need to change that. | |||
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| Member |
I have a wood rasp that probably looked a lot like your rasp. It was evenly red with rust. As bad as it was I just said "heck, I can't hurt it" and got out my largest pot and boiled it. After 3 one hours sessions I brushed it clean with a nylon brush and sprayed it down with WD-40 so it was nice and wet. Waited a day and it was dry so I sprayed with with some more WD-40 and after a day to soak in I blotted it dry with a paper towel. That rasp now looks better than it did with was brand new in the shrink rap with a nice even semi gloss black finish and it is VERY VERY sharp. Bottom line, drop that file straight into a pot of boiling water. After a total of 3 hours you will be amazed and after a good oil soak you'll be stunned. Note you will have to keep an eye on the water level and add water as needed during the boil. Also if you don't have a pot big enough to do the entire file flip between cycles and double your boiling time. I've stopped counting. | |||
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| Member |
+ 1 for EvapoRust. Works great! ------------------- "Oh bother", said Pooh, as he chambered his last round. | |||
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Member |
For a nice tool like that, with teeth, muriatic will dissolve the steel, literally. At best for even a weak solution for a short time, I would expect some degredation of the working surface of the teeth, which could ruin the cutting ablity of the file. Hmmm. Not sure. Maybe... spray with fluid film to stop the rust, then degrease it before a job, maybe your project will help reduce the rust. Then repeat. I don't know. I've also had good results with evaporust, but it will destroy any natural patina that may be acting as suface passification. For a fine old tool, I'd rather keep a little rust than destroy any existing natural surface passivity. We need somebody with lots of experience with this. Lover of the US Constitution Wile E. Coyote School of DIY Disaster | |||
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Member |
Look up My Mechanics on YT. He restores a LOT of stuff where he has to get the rust off. Maybe that will lead you down the correct path. "If you’re a leader, you lead the way. Not just on the easy ones; you take the tough ones too…” – MAJ Richard D. Winters (1918-2011), E Company, 2nd Battalion, 506th Parachute Infantry Regiment, 101st Airborne "Woe to those who call evil good, and good evil... Therefore, as tongues of fire lick up straw and as dry grass sinks down in the flames, so their roots will decay and their flowers blow away like dust; for they have rejected the law of the Lord Almighty and spurned the word of the Holy One of Israel." - Isaiah 5:20,24 | |||
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