OldTools Archive
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268260 | John Ruth <johnrruth@h...> | 2019‑04‑08 | De-Rusting Tools with Hidden Springs |
GG’s Last Tuesday’s morning Flea Mkt. yielded a seriously-rusted Starrett 140 10” hacksaw frame. Note well that this is NOT the current Starrett 140 with the closed D-Handle, but rather an old straight-handle hacksaw frame. The blade attachment points have a clever spring-loaded lock to prevent the blade from becoming dislodged. The spring-loaded plungers are free to move, and work perfectly. The exposed parts of the attachment points are rusty. My question for the Porch is “how to de-rust the frame and the attachment points without killing the internal springs, which are captive inside a riveted housing. Electrolyzing springs yields “things that go “snick” in the night.” (TM of some unknown Porch dweller.) Either Citric or Phosphoric Acid would imperil the springs... Unless the Porch can come up with an idea, I think it will have to be done with a tiny wire wheel. John Ruth Sent from my iPhone |
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268261 | Dwight Beebe <dwb1124@g...> | 2019‑04‑08 | Re: De-Rusting Tools with Hidden Springs |
John, I would suggest Evapo-Rust. Alleged to work only on the rust form of the iron molecule. I’ve used it quite a bit, but only with things that are exposed, so as they say, YMMV. Good luck! Dwight |
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268262 | Kevin Foley <kevin.m.foley@c...> | 2019‑04‑08 | Re: De-Rusting Tools with Hidden Springs |
John, For de-rusting I like the Klingspor abrasive blocks. Firm rubber with embedded abrasive particles. IIRC they call them hand blocks or abrasers. They can be cut to shapes as needed with a utility knife to get into tight spots. It might allow you to leave the wire wheel for just the tightest of spots. Kevin |
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268263 | Kirk Eppler | 2019‑04‑08 | Re: De-Rusting Tools with Hidden Springs |
Kevin beat me to my standard answer. I hardly use liquid anymore. KE On Mon, Apr 8, 2019 at 12:14 PM Kevin Foley |
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268264 | Kevin Foley <kevin.m.foley@c...> | 2019‑04‑08 | Re: De-Rusting Tools with Hidden Springs |
I like that the blocks clean without polishing. They don't leave shiny edges like steel wool. The block with the medium grit abrasive seems match the machined factory finish on old Stanley planes. Also great for cleaning up grimy irons and chipbreakers. Kevin |
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268266 | Christopher Dunn <christopherdunn123@g...> | 2019‑04‑09 | Re: De-Rusting Tools with Hidden Springs |
John Evapo-Rust has been hit or miss for me. Sometimes it works great. Other times within a day or two the part has a thin layer of rust on it. The faq section of their website says: ... "It is important to always rinse the metal after a treatment with Evapo-Rust. Tiny molecules of iron will still be embedded in the Evapo-Rust solution, and these molecules must be rinsed off with water or they will activate the re-formation of rust on the metal object." I'm a user, not a collector. Brass brushes for the heavy stuff. Rubber sanding blocks for the lighter stuff. Evapo-Rust for the complicated shape stuff. Call it patina and live with it for everything else. Thanks, Chris |
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268273 | scott grandstaff <scottg@s...> | 2019‑04‑09 | Re: De-Rusting Tools with Hidden Springs |
Hey thanks for the tip on the abrasive blocks guys! You know me, I have to try everything. :) Scrape first is my standard these days. Learn to use razor blade and other scrapers and the whole tool restoration world gets easier. Also, nickel or chrome parts (since this is a hacksaw frame) do best scrubbed with Bar Keepers Friend and a scrub pad. rinse and blot dry. Its acidic but pretty wimpy and seldom hurts. It leaves your plating as best as it can be. The mechanic tool collectors all use it. yours Scott -- ******************************* Scott Grandstaff Box 409 Happy Camp, Ca 96039 scottg@s... http://www.snowcrest.net/kitty/sgrandstaff/ http://www.snowcrest.net/kitty/hpages/index.html |
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268274 | John Ruth <johnrruth@h...> | 2019‑04‑09 | Re: De-Rusting Tools with Hidden Springs |
Scott, Be cautious with Barkeepers Friend (BKF). It contains Oxalic Acid, which in small amounts can trigger kidney stones and in larger amounts is an irreversible kidney poison. The dust can injure your corneas, although I think that is reversible. BTW: I use Barkeeper’s Friend frequently! Best and Most Repectful Regards, John Ruth Sent from my iPhone |
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268275 | Matt Cooper <MaNoCooper@l...> | 2019‑04‑09 | Re: De-Rusting Tools with Hidden Springs |
Thanks for the warning. I use it in the kitchen, and heard it could be useful for water spots on wood. I have never used it in the shop other wise Sent from my Sprint Samsung Galaxy S10. -------- Original message -------- From: John Ruth |
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268276 | Matthew Groves <grovesthegrey@g...> | 2019‑04‑09 | Re: De-Rusting Tools with Hidden Springs |
The “Wood Bleach” you find in stores is usually oxalic acid as well. Matthew Groves Springfield, MO |
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268277 | Mike Rock <mikerock@m...> | 2019‑04‑09 | Re: De-Rusting Tools with Hidden Springs Oxalic acid |
We now use oxalic acid to treat for Varroa mites in our bee hives. Either vaporize with a heater or mixed with glycerine on blue shop towels, laid on the top bars of the brood area. It kills off the mites and not the bees. Oxalic acid is common in nature.....rhubarb for one place. :) |
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268278 | Matt Cooper <MaNoCooper@l...> | 2019‑04‑09 | Re: De-Rusting Tools with Hidden Springs |
Thanks Sent from my Sprint Samsung Galaxy S10. -------- Original message -------- From: Matthew Groves |
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268279 | Dragon List <dragon01list@g...> | 2019‑04‑09 | Re: De-Rusting Tools with Hidden Springs Oxalic acid |
not to take it too off topic, but why mix with glycerine? do the bees ingest? |
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