Description:

Model - ER-20 Spring Collet, 7/16-inch Clamping Diameter.. Material - 40Cr Steel. Precision - 0.015mm / 0.0006-inch. Applications - Widely used in machining centers, general milling machines, CNC milling machine, engraving machine, high-speed machines, and other processing.. Package Content - 1 x Spring Collet Chuck.