Drill bit capable of finely trimming drill hole

The utility model belongs to the technical field of drill bits, and particularly relates to a drill bit capable of finely trimming drill holes, which comprises a drill handle and a drill rod, and one end of the drill rod is connected with one end of the drill handle. A plurality of right-handed rota...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZOU ZEWEI, JIANG XIANFA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BORING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
Online-Zugang:	Volltext bestellen
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