NASA NTRS · 19660000131
Expandable insert serves as screw anchor
Abstract
Expandable self-locking adapter secures components to panels having one accessible side. Mounting holes in the panels may not be threaded to accommodate screws, therefore, the adapter contains a female thread that will mate a mounting screw.
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1966-03-01. Expandable insert serves as screw anchor. https://ntrs.nasa.gov/citations/19660000131
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