High precision collet chucks KPS-system Transmittable static torque to the tool shank (Nm) (Nm) 100 D16  90 D24  80  70  60  50  40  30  20  10   0 Dia. (mm) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Assembly advice for KPS-system collets with a collet extractor 1. Remove the nut from the chuck. 2. Insert and squeeze the collet into the collet extractor.* 3. Insert the unit collet + ring into the nut until stop end. 4. Push the back end of the collet to remove the unit collet + nut from the ring. 5. Mount the nut together with the collet on the collet chuck. To dismantle, push unit collet + nut into the collet extractor in order to squeeze the collet. Remove the nut. Finally, push the back end of the collet to remove it from the collet extractor. The collet must always be inserted into the nut, and the nut screwed onto the chuck before introducing the tool into the collet. Never lock the nut without a tool shank located in the full length of the collet. KPS-Collet KPS-Collet extractor KPS-Collet nut KPS-Wrench * protected by patents 11 KEMMLER 13