split pin
noun
a metal pin made by bending double a wire, often of hemispherical section, so that it can be passed through a hole in a nut, shaft, etc, to secure another part by bending back the ends of the wire
Words nearby split pin
Example sentences from the Web for split pin
The steel bolt holding the main-stay cable and secured by a split-pin could not be found.
The White Lie |William Le Queux