Description At SCHUNK, you will find the largest offering of base jaws for all lathe chuck types. In addition to the jaw interface with tongue and groove, SCHUNK also offers hardened, precision ground base jaws for the use of fine-serrated top jaws. If seamless clamping is not possible with your jaw quick-change chuck equipped with claw jaws, such clamping gaps can be covered, for example, with base jaws featuring ½-tooth offset. Field of application For lathe chucks with jaw quick-change Advantages – Your benefits Above average service life due to high quality materials and sustainable production methods Quick and easy handling through high dimensional and fitting accuracy Rapid set-up times by replacement of a clamping unit consisting of base and top jaws in the lathe chuck Ground tongue and groove and ground locating surface ensures a high accuracy of fit and repeat accuracy Ground serration ensures high precision and surface quality of the base jaws, 30 - 40 % less wear and therefore increased useful life