NC quick-action drill chuck DIN 69871A Clamping d.0,5-13mm SK40 A.-L.90mm WTE : with steep taper DIN 69871 form A - for use on milling machines - quick, uncomplicated tool change by actuating a taper drive by means of a laterally insertable cross-handle pin spanner, so that tool change is also possible directly in the machine - no opening of the chuck during running or in case of abrupt change of tool positionNo opening of the chuck during running or in case of abrupt spindle stop - Shank and chuck form one unit, thus short, stable and vibration-free design - Standard version with high concentricity max. 0.05 mm - for clockwise and anti-clockwise rotation Further technical features: - Drill chuck Ø D: 50mm - L1: 90mm - Direction of rotation: for clockwise and anti-clockwise rotation - L: 84mm - Clamping Ø d1: 0.5-13mm.