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The issues encountered with single-point threading are neutralized by thread whirling. The process is used primarily by medical manufacturers to produce bone screws with deep threads on Swiss turning centers. Rather than being spaced evenly apart, inserts in the pocket are positioned at varied locations, eliminating chatter for the CoroMill 325 due to its differential pitch insert layout. The inserts have improved part quality and tool life due to their sharp edges and hard composition.

Learn more about Threading Solutions from Sandvik Coromant.