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Old 03-31-2011, 03:57 AM   #1
Josh Smith's Avatar
Join Date: Oct 2004
Location: Wabash IN
Posts: 2,950
Sharpening Files


I thought this might be of use to someone.

When I sharpen files, I use acid. After killing a couple with sulfuric acid, I just started warming up acetic acid (vinegar) and using that.

It's pretty simple:

1. Prepare the vinegar: place in a glass container, microwave for a couple minutes 'til it starts to boil, and take it out. I place it on a hotplate on "low", but this is not essential.

2. I prepare the files by running them under hot water and scrubbing them with a steel brush.

3. Place the files into the acid bath.

You should have a reaction like this.

4. Take them out after five to 10 minutes.

Repeat steps 1-4, rinsing and drying at the end. Oil well, and let sit.

This can be done a couple, few times before the files are beyond repair, and they'll never be as sharp as new files.

However, acid is the only way I know of sharpening these, and it works well enough.

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Old 03-31-2011, 09:48 AM   #2
Join Date: Oct 2008
Posts: 311
Interesting idea.
joe b. is offline   Reply With Quote
Old 04-09-2011, 12:52 AM   #3
Join Date: Mar 2011
Posts: 5
Thanks for the post, I'll have to try this!
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