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What (who) is cotter pin - definition
cotter pin
WIKIMEDIA DISAMBIGUATION PAGE
Cotterpin; Hoodpin; Cotter pin (disambiguation)
¦ noun a metal pin used to fasten two parts of a mechanism together.
?a split pin that is opened out after being passed through a hole.
Origin
C17: of unknown origin.
Cotter (pin)
.jpg?width=200 "Cross-section of a connecting rod, showing strap (S), gib (G), and cotter pin (C)")
IN MECHANICAL ENGINEERING A PIN OR WEDGE PASSING THROUGH A HOLE TO FIX PARTS TIGHTLY TOGETHER
Cotter (bicycle part); Gib and cotter
A cotter is a pin or wedge passing through a hole to fix parts tightly together. In British usage cotter pin has the same meaning,.
Split pin
.png?width=200)
![Cotter pins:<br /> A: New split pin<br /> B: Installed split pin<br /> C: [[R-clip]]<br /> D: Cross-section of a new split pin](https://commons.wikimedia.org/wiki/Special:FilePath/CotterPins.svg?width=200 "Cotter pins:<br /> A: New split pin<br /> B: Installed split pin<br /> C: [[R-clip]]<br /> D: Cross-section of a new split pin")
METAL FASTENER
A split pin, also known in the United States of America as a cotter pin or cotter key, is a metal fastener with two [that are bent during installation, similar to a staple] or [[rivet. Typically made of thick wire with a half-circular cross section, split pins come in multiple sizes and types.
