Ordinary pliers modified by addition of hard-pointed setscrew in one jaw and groove in opposite jaw. When jaws squeezed together on bolt, point deforms thread. Prevents loosened nut from backing off under vibrations or impact. In comparison with center punch and hammer, pliers easier and faster to use and less likely to damage parts.
Staking Pliers
NASA Tech Briefs ; 15 , 9
1991-09-01
Miscellaneous
No indication
English
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