Fastening element

The element has a rotation-transmitting unit (13) provided at one end (14) of a shaft (12). The shaft has a free end (16) remote from the rotation- transmitting unit. A tapping thread (21) carried by the shaft includes a screw thread (22) with a thread pilot located in a region (15) of the shaft fre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GEBHARD, JUERGEN, SPLITT, MICHAEL, OPPENEIGER, SIMON, OBERNDORFER, GEORG, SCHAEFFER, MARC
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The element has a rotation-transmitting unit (13) provided at one end (14) of a shaft (12). The shaft has a free end (16) remote from the rotation- transmitting unit. A tapping thread (21) carried by the shaft includes a screw thread (22) with a thread pilot located in a region (15) of the shaft free end. A section has a set of thread steps (25, 26) with a cross-section of the screw thread. The thread steps have respective cutting edge-forming end surfaces aligned in a direction of the thread pilot.