Spring Plunger & Pin Guides

Spring Plungers are used for locking and then locating of separate components and come in a variety of metric and standard sizes. These components use spring-force to apply pressure so that the ball or nose will remain positioned. These plungers have different installation methods including hex socket, slotted drive and top slot for blind-holes and have light, standard, or heavy end forces available to them.

Monroe's Plunger & Pins Guides


Pin and Plunger Blog Articles

Quick Release Pins: Everything You Need to Know

Quick release pins are used in a variety of industries, including aerospace, manufacturing, marine and automotive. They are pin-shaped mechanical fasteners that, as the name suggests, can be quickly and easily released from the equipment in which they are inserted. … Read More




What Are Hand Retractable Spring Plungers?

When shopping for spring plungers, you may come across hand retractable spring plungers. Like all spring plungers, they feature a built-in spring that applies pressure to the part with which they are used. Hand retractable spring plungers, however, can be … Read More




The Benefits of Press Fit Plungers

Not all plungers have a threaded shaft. Some of them are designed with a smooth shaft that’s devoid of any external threading. Known as press fit plungers, they are used for indexing and positioning. Press fit plungers feature a ball … Read More




How to Choose Indexing Plungers

Indexing plungers are commonly used to position and lock parts in place. They are detent devices that, as the name suggests, are designed for use in indexing bores. Most indexing plungers feature a spring-loaded pin. When you engage an indexing … Read More





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