Universal 3D probe Design: Precision Universal 3D probe for installation into the milling spindle or the countersunk head. Probe insert change without tools. The enlarged travel path in combination with the tried and tested predetermined breaking point provide additional safety. For extremely easy handling, the Universal 3D probe is available with an integrated steep taper adaptor. The steep taper (DIN 69871, SK 40) and Universal 3D probe form one unit. Application: For setting workpiece zero points and length measurements on milling and eroding machines (insulated probe tip) and for centring and taking the mean of bore holes and shanks. Supplied: 3D probe and short probe tip Ø 4 mm.