This 3" long miniature single spiral brush is made with abrasive 500 grit aluminum oxide Nylon bristle and a stainless steel single stem wire. Brush is 1-1/2" long and 0.413" in diameter. Stem diameter is 0.160". Overall length is 3". Made for hole diameter 3/8" (0.375"). This high-quality brush is ideal for ultra-fine deburring, edge blending and cleaning.
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