Combined hole making and threading tool

Details Combined hole making and threading tool Combined hole making and threading tool

1991-03-18

1995-05-09

Briggs, William

Gear cutting, milling, or planing

Milling

Thread or helix generating

408222, 409 74, 470198, 470199, B23C 300, B23G 520

Patent

active

054134382

ABSTRACT:
A combination tool is disclosed for drilling a hole in a workpiece on the inward feed of the tool and for threading the hole during retraction of the tool. The tool that has a straight body with a drill point at the forward end, a shank at the rearward end and a thread-form mill between the drill point and the shank.

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