Hydraulic lock nuts are used mainly to clamp Hob Arbor .Following are some typical examples shown further more any additional design and design combinations are possible should you look for a solution of this type of task, simply ask us and we will readily help you. At Q-tech Precision Clamping we provide repairing service for hydronuts.If the threaded sleeve is damaged, it is replaced with new one .The seals and diaphragm are alse eplaced.Clamping trial is done. Repairing time is around 4 weeks