The shaft on these pins retracts into the head to hold thin sheets of material together. Pins lock in place until you push the button to release the spring-loaded retaining balls.

A smooth ball handle is easy to grip and won't catch on other parts. A spring-loaded, nonlocking retaining ball pops out when the pin is pushed through a hole, and retracts when the pin is pulled out.

A high-profile knob is easy to grip, but fits in small spaces. A spring-loaded, nonlocking retaining ball pops out when the pin is pushed through a hole, and retracts when the pin is pulled out.

Plastic pins are a nonconductive and nonmagnetic alternative to metal dowel pins. Use them as pivots, hinges, shafts, jigs, and fixtures to locate or hold parts.

Retract the nose by pulling the knob.

A quarter turn of the handle locks these plungers in the retracted position. The T-handle is easy to grip.

A quarter turn of the handle locks these plungers in the retracted position. The smooth ball handle is easy to grip and won't catch on other parts.

Two holes in the plate allow these plungers to be mounted to a flat surface.

Install with a driver.

A flange keeps the plunger from being pushed through a hole when the ball is depressed.

Install these spring plungers with a screwdriver—they're slotted on one or both ends.

Sealed at the top to prevent debris from getting inside and making them seize up, these guide pins are a good choice for machining fixtures.

Mount through the counterbored hole with a socket head cap screw to support and position workpieces and fixtures from the bottom or side.