Polishing Brass with the Thumler’s Model B Tumbler

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This video demonstrates how we use the Thumler’s Model B rotary tumbler to polish brass with crushed walnut shell media.

We place a couple hundred brass cases in the tumbler, then charge it with about 60 ounces of crushed walnut shell media, seal the tumbler, run for three or four hours, use a media separator and then check the casings to see the results.

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