Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having structure to restrict rotation of threaded, mating...
Structure is coaxial, distinct member that restricts nut piece
Inventor
active
Sleeve type casing head adapter
Sleeve-type security device
Theft deterrent locking nut
Tubing head adapter and valve
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Profile ID: LFUS-PAI-P-167294