Notched hexago socket cap head screw

The utility model relates to a slotted inner hexagonal screw top cap bolt for external fixed equipment components of measurement while drilling (MWD), which consists of a screw top cap, a screw body, a slotted inner hexagonal screw top cap, and a convex outer hexagonal T-shaped wrench. A slotted inn...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN SUILIN, LU SHUIJING, BAI RUI, HE QIDONG, CAI XIAOLONG, ZHANG WEI
Format:	Patent
Sprache:	chi ; eng
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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