# Burnishing: smoothing without removing metal

> Burnishing smooths and shines metal by rubbing it with a polished steel tool, without removing material; used on bezels, prongs and as a final finish.

- Source: https://www.711grados.com/en/burnishing-metal/
- Language: en
- Note: This entry was drafted with the help of AI and is pending review by the author.
- Published: 2026-09-24
- Updated: 2026-09-24
- Translation (es): https://www.711grados.com/es/bruñido-del-metal/
- Author: Sandra Sánchez
- Site: 711 Grados (https://www.711grados.com/)

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To burnish is to rub metal with a smooth, hard tool (the burnisher), which compresses the surface instead of removing it. The result is a soft shine and slightly harder metal.

![Steps of the technique: Clean, Moisten, Press, Follow the edge, Check, Rinse](https://www.711grados.com/media/diagrams/bruñido-steps.en.svg "Summary of the steps")

## What for

To close a bezel or prongs over a stone, to smooth an edge and to shine an area without having to polish it.

## Tools

Steel and agate burnishers, and the steel-shot tumbler (mass finishing).

## Advantages

It removes no metal, makes no dust and hardens the surface.

## Tips

Use soapy water as lubricant and press firmly, always with a clean tool.

## Step by step

1. **Clean.** Remove grease and residue.
2. **Moisten.** Use soapy water.
3. **Press.** Rub the burnisher firmly.
4. **Follow the edge.** Close the bezel little by little.
5. **Check.** See whether the surface is smooth.
6. **Rinse.** Dry with a cloth.

## Tools and materials

- Steel and agate burnishers
- Soapy water
- Steel-shot tumbler
- Soft cloth

## Common mistakes

- Dirty or scratched burnisher.
- Uneven pressure.
- Burnishing without lubricating.
- Striking the stone.

## See also

- [Polishing and buffing metal](https://www.711grados.com/en/polishing-and-buffing-metal/)
- [Bezel setting](https://www.711grados.com/en/bezel-setting/)
- [Forging and hammering metal](https://www.711grados.com/en/forging-and-hammering/)