Kennametal tuneable boring bars
Tuneable Steel Shank with Through Coolant
Kennametal tuneable boring bars are manufactured with an internal dampening package designed to eliminate chatter in deep-hole boring applications. 
We not only
manufacture standard tuneable boring bars as listed, but Kennametal has the capability to design and manufacture just about any style or size of tuneable products.
Boring bars, extensions, holders, rotating adapters, and modular sections are a few examples of products manufactured with tuning packages. The features and
benefits of the patented tuneable bar system provide significant improvements in metalcutting productivity.
Features and Benefits
• Machine at extended lengths without chatter or vibration.
• Increase depth of cut and material removal rates at extended overhangs.
•
Hold tighter tolerances and reduce scrap rates.
• Provides tool application range from 6:1 to 10:1 length-to-diameter ratios.
• Delivers improved tool life.
• Boring bars are shipped pre-tuned from the factory for a 10:1 application range.
• At the machine, boring bars may be fine adjusted, by hand tuning, to achieve optimum cutting conditions.