The fastest and quickest change tool holders are VDI 40 tool holder system, in which the tool holder is mounted on the disk appliance. Methodologies to change the system are easier and faster using the traditional block system. Holder fitted to the needs to the specifications and manufactured to fit together. Holder gets more difficult or loosely held as needed. Holders are available are of different sizes, ranging from 20mm to 80mm for the purpose of performing axial and radial.
