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Summary: After setting a stone into a piece of jewelry a cup burr should be used to round some of the metal edges to prevent snagging. Learn how to use a cup burr from an expert jewelry maker in this free video.
About the Expert
David Pakman David Pakman is one of the experts on Expert Village. With over 6,000 experts, Expert Village hosts videos of professionals who are authorities in their fiel... read more
Now I am going to finish the tips of the prongs and I have my cup bur in my flex shaft and I am actually going to use a little tiny bit of a lubricant and it helps your burs last longer and I'm going to finish the tip of each one of these. This takes some of the nice edges off and gives them a nice finished look. You can also do this with a file or a sanding stick but all of those are less consistent and take a little more time but work perfectly fine especially if you are willing to really spend some time being a perfectionist and if you are planning doing these in any large quantity a cup bur is really a necessity. There we go perfect.