Annular hole cutter

Details Annular hole cutter Annular hole cutter

B - Operations, Transporting

23

B

29/43

B23B 41/02 (2006.01) B23B 27/10 (2006.01) B23B 51/00 (2006.01) B23B 51/04 (2006.01)

Patent

CA 1152308

ANNULAR HOLE CUTTER Abstract of the Disclosure An annular hole cutter having an inverted cup- shaped body provided with a plurality of circumferential- ly spaced teeth around its lower edge. Helical flutes extend upwardly between successive teeth and form around the outer periphery of the cutter a plurality of radially relieved lands, each having a circle ground narrow margin at the leading edge thereof. Each tooth has a plurality of radially and axially staggered cutting edges thereon. ------------ 0 ----------- i.

382577

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