Acceleration caused by Vibration impact Acceleration caused by Vibration impact Anti Vibration Boring Bar By increasing the rigidity of the tool materials the vibration will be reduced. The carbide tool holder performs much better than steel tool holders (steel tool holder approx. L≤3xD, carbide tool holder is approx. L≤6xD). The cutting data can be increased and the shank over- hang extended. Therefore you achieve better surface and higher workpiece precision. Vibration amplitude (under same machining conditions) Time Temps Steel tool holder Cemented carbide tool holder A 323