Lyndex E20-012 ER20 Chromium Molybdenum Steel Standard Collet, 3/16" Opening Size, 21.2mm Top Diameter, 14.5mm Bottom Diameter

Lyndex line of high-quality ER standard collet offers High Tensile Chromium Molybdenum Alloy provides greater hardness and less material deformation compared to traditional spring steel collets. Tolerance - Guaranteed to be within 0.0001-inches or better run out at the collet nose. Accuracy- Less than 0.0004-inches at 4 by diameter. Inspection - 100 percent collet inspection, checked 3 times for concentricity. 3/16-inches opening size. 0.187-inches - 0.156-inches collapse range. 21.2-millimeters top diameter. 14.5-millimeters bottom diameter.