Otto Bilz [India] Private Ltd offers Quick Change System for Drilling Machines. Otto Bilz [India] Private Ltd manufactures Chucks for Thread Cutting, High Precision Holding Systems for Tapping, Drilling and Reaming, CNC-Precision holding systems. The Quick Change System for Drilling Machines is either manual, radial or NC controlled. The system is designed to enable numerous functions to be carried out whilst utilising a single tool holder. The unique double ball clamping gives a positive drive and allows the precise location of the SEK adaptor in the chuck. The adaptors, which take drills, reamers, counter bores or tapping equipment, can be changed quickly without the use of additional tools, and are automatically located in the chuck. They are released by retracting the outer sleeve of the chuck axially, which then allows the adaptor to be removed with ease.