DRILL

PROBLEM TO BE SOLVED: To provide a drill capable of reducing a load applied to the drill when a cast hole is cut for example, and keeping a long service life of a tool, and in addition capable of improving working accuracy. SOLUTION: The drill 10 includes a blade 12 having spiral cutting edges 16 an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FUKUSHIMA HIROYUKI, KONNO TAKAYUKI, HAKOZAKI MASAHIRO, NOMURA SHIGEMITSU, ONOSE JUNYA
Format:	Patent
Sprache:	eng
Schlagworte:	BORING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
Online-Zugang:	Volltext bestellen
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