Available in sizes ranging from 1C to 25C, Hardinge’s C-series collets are designed for use in manual and CNC lathes, mills, grinding machines, collet blocks and closers, indexers, rotary tables, and toolholders. They are constructed of alloy steel and feature heat-treated threads and a spring-tempered body for accuracy and durability.
Collet variations include emergency collets, step collets, extended-nose collets, step chucks for holding larger diameters, and Hardinge Dead-Length collet systems for controlling workpiece lengths. The collets are available in fractional sizes of round, hexagon and square to capacity, and round collets additionally are stocked in metric, decimal, letter and number sizes. High-accuracy 5C collets with a maximum TIR of 0.0002" are also available.