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Base jaws

Base jaws

Base jaws
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.
The delivery unit comprises 1 set = 3 pieces , including cylindrical screws. With the exception of base jaws EWB-MT, which are supplied without cylindrical screws.

Advantages – Your benefits

  • Excellent accuracy of fit and change accuracy
    The ground tongue and groove and the ground bearing surface ensure high dimensional accuracy and fast and easy handling
  • 30 - 40% less wear
    A ground serration ensures high precision and surface quality of the base jaws as well as an increased service life
  • Rapid set-up times
    Exchanging a clamping unit consisting of base jaw and top jaw into the chuck reduces set-up times