NASA NTRS · 19910000273
Tool Removes Coil-Spring Thread Inserts
Abstract
Tool removes coil-spring thread inserts from threaded holes. Threads into hole, pries insert loose, grips insert, then pulls insert to thread it out of hole. Effects essentially reverse of insertion process to ease removal and avoid further damage to threaded inner surface of hole.
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Collins, Gerald J., Jr., Swenson, Gary J., Mcclellan, J. Scott. 1991-06-01. Tool Removes Coil-Spring Thread Inserts. https://ntrs.nasa.gov/citations/19910000273
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