Otto Bilz [India] Private Ltd manufactures Quick Change Chacks for Drilling. 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 Chacks for Drilling is designed for use on special purpose machines and transfer lines with multi-spindle heads. The slim line series allows machining with a minimal spindle centre distances. The adaptors are quickly and easily changed, and for tools with cylindrical shanks, the length adjustment facility allows for presetting off the machine. This system is equally suitable for left or right handed operation.