A device for use in a machining system, comprising: (a) an ultrasonic transducer having a known acoustic frequency, wherein the ultrasonic transducer further includes: (i) a front mass; (ii) a back mass; (iii) a plurality of piezoelectric ceramics positioned between the front mass and the back mass; (iv) at least one source of electricity connected to the piezoelectric ceramics; (v) a compression member passing through the front mass, back mass, and ceramics, wherein the compression member is operative to apply compressive force to the ceramics; and (vi) a collet adapted to receive a machining tool; (b) a vibration-isolating housing adapted to be both compatible with a machining system and to receive the ultrasonic transducer therein, wherein the housing further includes at least one modification for isolating all vibrations generated by the ultrasonic transducer when the device is in operation except axial vibrations transmitted to the machining tool, thereby preventing unwanted vibration from traveling backward or upward into the machining system; and characterised by further comprising: (c) a system for delivering coolant fluid to the machining tool, wherein the fluid delivery system is tuned to the frequency of the ultrasonic transducer and further includes: (a) a fluid channel formed lengthwise in the compression member; (b) an isolation adapter positioned on the uppermost end of the compression member and aligned therewith, wherein the isolation adapter further includes a fluid channel formed lengthwise therein; and (c) a plurality of O-rings positioned circumferentially around the isolation adapter; wherein: the device is built using half wave length construction; the nodal region of the ultrasonic transducer assembly resides at the upper most face of the front mass and the anti-nodes are located at the end of the front mass and the upper most end of the compression member; and the plurality of O-rings allow the isolation adapter to prevent the uppermost end of the compression member from being put into secondary resonance modes. (a) an ultrasonic transducer having a known acoustic frequency, wherein the ultrasonic transducer further includes: (i) a front mass; (ii) a back mass; (iii) a plurality of piezoelectric ceramics positioned between the front mass and the back mass; (iv) at least one source of electricity connected to the piezoelectric ceramics; (v) a compression member passing through the front mass, back mass, and ceramics, wherein the compression member is operative to apply compressive force to the ceramics; and (vi) a collet adapted to receive a machining tool; (i) a front mass; (ii) a back mass; (iii) a plurality of piezoelectric ceramics positioned between the front mass and the back mass; (iv) at least one source of electricity connected to the piezoelectric ceramics; (v) a compression member passing through the front mass, back mass, and ceramics, wherein the compression member is operative to apply compressive force to the ceramics; and (vi) a collet adapted to receive a machining tool; (b) a vibration-isolating housing adapted to be both compatible with a machining system and to receive the ultrasonic transducer therein, wherein the housing further includes at least one modification for isolating all vibrations generated by the ultrasonic transducer when the device is in operation except axial vibrations transmitted to the machining tool, thereby preventing unwanted vibration from traveling backward or upward into the machining system; and characterised by further comprising: (c) a system for delivering coolant fluid to the machining tool, wherein the fluid delivery system is tuned to the frequency of the ultrasonic transducer and further includes: (a) a fluid channel formed lengthwise in the compression member; (b) an isolation adapter positioned on the uppermost end of the compression member and aligned therewith, wherein the isolation adapter further includes a fluid channel formed lengthwise therein; and (c) a plurality of O-rings positioned circumferentially around the isolation adapter; (a) a fluid channel formed lengthwise in the compression member; (b) an isolation adapter positioned on the uppermost end of the compression member and aligned therewith, wherein the isolation adapter further includes a fluid channel formed lengthwise therein; and (c) a plurality of O-rings positioned circumferentially around the isolation adapter; the device is built using half wave length construction; the nodal region of the ultrasonic transducer assembly resides at the upper most face of the front mass and the anti-nodes are located at the end of the front mass and the upper most end of the compression member; and the plurality of O-rings allow the isolation adapter to prevent the uppermost end of the compression member from being put into secondary resonance modes.