Industrial Grade Hydraulic Clamping System improves quality and efficiency in all areas of machining and inspection, solves difficult clamping issues, reduces rejections to a minimum, allows mounting of several piece parts and reduces mounting and dismounting time. The System has no tapered mandrel, no hammering, no arbour press, and no deformation of work piece or damage to the clamping surface, no loose components and no axial movement while clamping. The System has flexibility of design and can be designed to perform any machining operations of turning, copy turning, boring, drilling, gear cutting, gear finishing etc. The System can be extended to clamp on blind bores, splined or threaded bores can be located on the major/ minor/ pitch-line diameter. The Industrial Grade Hydraulic Clamping System requires less maintenance and finds application in hydraulic arbour and hydraulic chuck.