Drill with replaceable inserts

Details Drill with replaceable inserts Drill with replaceable inserts

B - Operations, Transporting

23

B

77/33

B23B 51/00 (2006.01) B23B 51/04 (2006.01)

Patent

CA 1135539

ABSTRACT OF THE DISCLOSURE A drill body for drilling solid metal and for finish boring having, at the working end, two or more replaceable, indexable, hard metal inserts dimensioned and spaced radially to cut equal volumes of metal. The inserts are retained in pockets by a headed screw with a through passage for a wrench. The outside insert is also shaped and positioned so the drill body may be shifted radially from the drilling axis and used as a boring bar.

334667

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