STEP DRILL BIT

A step drill bit (10) comprising: a shank (12) extending along a bit axis (14); a body (18) having a proximal end (19A) adjacent the shank and a distal end (19B) opposite the proximal end, the body defining a plurality of axially stacked, progressively sized steps (20A - 20M) including a first step...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HOHNL, Jr, Richard, PARENDO, Brett A, GREENHILL, Alexander R, PANGERC, James E, HLAVAC, David, SAWA, Max R, LUDVIKSSON, Ingolfur
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BORING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
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