Patent ID: 7044692
Filing Date: 2006-05-16
Classification: B23G,B23Q,Y10T

Abstract:
1. A thread cutting milling tool comprising an elongate rotary shank defining a longitudinal axis and carrying a radially projecting thread cutting insert for rotationally engaging a work piece along a helical orbital path in order to cut screw threads thereon, the screw threads including a thread form helically wrapping about an axis of said work piece, said shank further carrying a secondary radially extending cutter spaced from said thread cutting insert for also rotationally engaging the work piece along a helical orbital path, and wherein the spacing and configuration of said secondary cutter is such that said secondary cutter engages the workpiece along the helical orbital path in a position corresponding to said thread form so as to substantially remove at least a partial wrap of said thread form from said work piece to thereby provide a non-threaded cylindrical portion on said work piece.