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A metal file is cleaned by use a file card brush. Spraying the file with spray lubricant after cleaning will prevent it from rusting. A heavy rusted file may need to be first dipped a rust remover containing Phosphoric Acid (aka Naval Jelly).

Depending on the file type a piece of hardwood or bamboo can be used as a pusher cleaning stick instead of a file card brush.

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14y ago
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Q: How do you care for and maintain your metal files?
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