Tumbling, barrel finishing, tumble metal finishingis the process of improving the surface of a raw metal part. Through the tumbling action one can accomplish deburring, corner rounding, burnishing, polishing, etc. There are two types – wet or dry tumbling.

For small parts this process has an economical benefit versus traditional hand finishing. In addition, large quantities of parts can be processed at one-time.

Some benefits of this process are:

  • Reduced cost
  • Improved time to market
  • High polish finish
  • Longer-lasting parts