Patent ID: 6862966

Claim:
A method of cutting and de-burring a metal object, comprising: providing a cutting tool with a cutting arm; providing a cutting insert having a front side and a back side and a plurality of side surfaces, each of said side surfaces comprising first and second elliptical cutting channels, each of said first cutting channels being configured to provide a specific cut upon the front of the insert being disposed facing the cutting arm of the cutting tool, and each of said second cutting channels being configured to provide substantially the same cut as the first cutting channels upon the back of the insert being disposed facing the cutting arm of the cutting tool; said first elliptical cutting channels beginning at said front side tapering across said side surfaces and ending with an elliptical terminus in said back side; said second elliptical cutting channels beginning at said back side tapering across said side surfaces and ending with an elliptical terminus in said front side; disposing the cutting insert in the cutting tool with one of the cutting channels in position to cut a piece of metal; cutting a plurality of metal objects with one of said first cutting channels of said cutting insert; removing the cutting insert from the cutting tool; and replacing the cutting insert in the cutting tool with a different one of said cutting channels being in position to cut a piece of metal.