Sunburst aluminum oxide (corundum) pin, diameter 3 mm, grit 220

sunburst abrasive pins, available in 2 mm and 3 mm diameters, are designed for accessing extremely tight areas and fine details on precious and non-precious metals, stones, glass and delicate materials. made with sunburst thermoplastic bonded abrasive, they provide controlled cutting and uniform polishing without compounds. used with a 2.35 mm mandrel, they operate up to 20,000 rpm and are color-coded by grit.