Pins

Pins are unthreaded cylindrical fasteners used to locate, pivot, or retain parts — dowel pins, cotter pins, clevis pins, and spring pins.

Types of Pins

Cotter Pin

split pin · cotter key

A cotter (split) pin is a doubled wire pin inserted through a hole and bent back over itself to retain a clevi…

Clevis Pin

clevis bolt · headed pin

A clevis pin is a headed, unthreaded pin with a cross-hole for a cotter pin, used to make a simple pivoting or…

Dowel Pin

parallel pin · locating pin

A dowel pin is a precision-ground, solid cylindrical pin press-fitted into reamed holes to locate two parts ex…

Spring Pin

roll pin · slotted pin

A spring pin is a hollow, rolled or coiled steel pin that compresses to grip a drilled hole, retaining parts w…

Taper Pin

taper pin

A taper pin is a solid pin with a uniform taper (1:48) that wedges into a reamed tapered hole, locking two par…

Grooved Pin

groove pin · 3-groove pin

A grooved pin has longitudinal grooves swaged into its surface that displace material as it is pressed in, so …

Hitch Pin

linch pin · hitch pin clip

A hitch pin is a quick-release pin that secures a hitch, drawbar, or clevis, retained with a spring clip so it…

Detent Pin

ball lock pin · quick release pin

A detent pin has spring-loaded balls near the tip that lock it into a hole; pressing the button retracts the b…