Designed for ultra-fine deburring and cleaning of holes produced by micro drilling. Will not alter the diameter or surface finish. On power tools, these brushes use a side-swiping action. They can also be used manually. Four types of brushes are available: 1000 grit very fine Silicate, 600 grit Aluminum Oxide, 500 grit Silicon Carbide, and 320 grit Silicon Carbide.
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