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​Silent Tools is the trademark for a family of tool adapters for turning, milling and boring. The tool adapters are designed to minimize vibrations through a damper inside the tool. The majority of Silent Tools customers use these tools for long overhangs. However, even with shorter overhangs, major productivity increases and surface quality improvements are to be gained.

Whether you increase your metal removal, improve your surface finish, secure your process, or reduce your production costs, you will certainly enjoy the silence. 



Silent Tools damped boring bars and adapters also make it possible to maintain good productivity and close tolerances for long tool overhangs beyond 3 x bar diameter. Silent Tools damped steel bars make it possible to machine up to 10 x bar diameter, and our damped carbide reinforced bars go even higher; up to 14 x bar diameter tool overhang. 

For the turning area, the damped adapter can be combined with different CoroTurn SL cutting heads:





In many machining centers, the components and machine tools require long tool assemblies to reach down in large components. Vibration risk is high, and the typical remedy is either slow machining or damped tools.
With Silent Tools milling adapters, chatter and vibrations are eliminated, allowing the machining rate to be increased and improving process security. Silent Tools for milling are productivity boosters.


Problems that originate from vibrations are frequently encountered in boring and other operations, especially when machining with long overhangs. The vibrations may cause bad surface texture, insufficient accuracy and loss of productivity, increased insert and machine tool wear, as well as noise.
Solving vibration problems will therefore always give you a productivity boost.

For the boring area, it is possible to combine different CoroBore concepts:

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