These Margin Roller Burnisher are for use to hammering out porosity pits from Gold, Silver, without metal loss. These wheel burs should be used at a relatively higher speeds with rotary hand pieces with light pressure being applied to the surface of the metal.
NOTE: Allow the margin roller bur with the individual wheels on the head to do the work, too much pressure can damage the tool as well as cause injury. Applying light pressure by moving the bur back and forth across the surface in several directions... until results are achieved. Use margin roller to burnish and remove porosity or to remove marks, pits or scratches, works for the inside of rings and bracelets as well. Bur must be inserted into Rotary Hand piece as close as possible to the chuck or collet head.
Note: There are 3 sizes available of the Margin Roller Burnisher Wheel Burs. Each have roller bearings that do the work on the surface of the metal. The small 8mm diameter wheel has 6 roller wheels, the medium 10mm diameter has 8 roller wheels and the large 12mm has 12 roller wheels. See last 3 picture on this listing
- Material: Steel
- Head Diameter Size: 10mm - ISO 100
- Shape: Round Wheel (8 roller wheels)
- Shank Size: 3/32"
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