Northfield Precision Instrument Corporation introduces their Model 625 Air Chuck. This chuck was custom-designed for a customer who had critical grip requirements regarding transmitted torque. The Mdl. 625 chuck was designed with special ID-gripping jaws used for super finishing the part. With this design, the customer’s needs were successfully achieved. Northfield Precision designs and manufactures air chucks for any lathe, boring machine, grinder or VMC. Models include through-hole, high-speed and quick-change. Chucks are available in SAE or metric, in sizes from 3” (76 mm) to 18” (457 mm). Accuracies of 0.001” to 0.00001” (0.254 m) are guaranteed. Custom workholding chucks and jaws are available and free engineering assistance is offered.