DRILL FOR FORMING STEPPED HOLE

PROBLEM TO BE SOLVED: To provide a drill for forming a stepped hole capable of forming the inner face of the stepped hole as a highly accurate smooth face, and also forming a smooth R face on the inner face of the stepped hole when grinding a hard, brittle material and forming the stepped hole. SOLU...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	HIRABAYASHI TOSHIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BORING GRINDING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS POLISHING TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING TURNING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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