MicroCentric Corp. (Plainview, NY) has Production Milling Chucks, a low profile manually actuated concentric clamping system to integrate with tombstones and pallets for machining centers, milling machines and grinders to provide the ultimate in high productivity and high precision workholding.

PMC chucks are clamped and unclamped on the top face to enable more chucks to be ganged together compared to side-actuated models. The chucks feature two-stage clamping: fast initial jaw stroke for large opening and a primary stage to provide high clamping force.

PMC chucks are available in 3 in, 4 in 5 in and 6 in sizes, 3- and 2-jaw configurations for OD and ID clamping applications. They are manufactured by MicroCentric and available from stock, along with a full line of precision jaw chucks, diaphragm chucks, quick-change collet chucks. MicroCentric also specializes in designing and manufacturing hardened and precision ground top jaws, part stops, and other tooling for specific machine and workpiece applications.

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MicroCentric Corporation, 25 Terminal Drive, Plainview, NY 11803, 800-573-1139, Fax: 516-349-9354, www.microcentric.com .