Fish tail type drill point that circuit board was used

The utility model relates to a fish tail type drill point that circuit board was used, the brill body portion front end of this drill point extends there is drill flute portion, and be equipped with two cutting blade that are the inversion symmetry form in drill flute portion front end, and two cutt...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIANG FANGTING, LIAO JIYUAN
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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