Step drill bit

A step drill bit includes a shank and a body having a proximal end adjacent the shank and a distal end opposite the proximal end. The body defines a plurality of axially stacked, progressively sized steps including a first step at the distal end, a terminal step at the proximal end, and a plurality...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Sawa, Max R, Pangerc, James E, Parendo, Brett A, Hlavac, David, Ludviksson, Ingolfur, Hohnl, Jr., Richard, Greenhill, Alexander R
Format:	Patent
Sprache:	eng
Schlagworte:	BORING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
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