Annular hole cutter

B - Operations – Transporting – 27 – B

Patent

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143/18

B27B 33/18 (2006.01) B23B 51/04 (2006.01)

Patent

CA 1176542

ANNULAR HOLE CUTTER Abstract of the Disclosure An annular hole cutter wherein each tooth is formed with at least three cutting edges, each of which is designed to cut a separate chip. The two radially innermost cutting edges are formed on the portion of each tooth which corresponds to the thickness of the web between successive teeth.

397372

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