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  • Writer's pictureSethuraman S

What is a Spring Plunger?

Updated: Oct 31, 2019

A spring plunger also known as the spring-loaded plunger is a narrow device that can be mounted into components and used for indexing, locking and positioning of the components. It is prominently used where the manpower to be minimized as it can function by itself.

Types of Spring plunger:

There are two main types of spring plungers.

  1. Spring plunger with Pin

  2. Spring plunger with Ball (also called as Ball plunger)

How does Spring plunger work?   


The mechanism of spring plunger is after it's installation it applies adequate pressure so that the ball or pin remains positioned or locked according to its application.

                    In detail, when the item gets contacted with the plunger, it puts pressure on the plunger, so it depresses into the body forcing the internal spring to compress, which allows the contact force applied to position the plunger into the desired area.

Watch the video to gain a better knowledge for how to use the spring plunger.

Applications of Spring Plunger

Spring plunger can be used

  • To act as a support between objects.

  • To eject the object.

  • Also as a form of cushion.       

Availability of spring plungers:   


There are various types of spring plungers available with us as follows:

  1. Slot type spring plunger with Steel, Stainless Steel and Ceramic Ball.

  2. Slot type spring plunger with Steel, Stainless Steel, and POM Pin.

  3. Hexagon socket type spring plunger with Steel, Stainless Steel, and Ceramic Ball.

  4. Hexagon socket type spring plunger with Steel, Stainless Steel, and POM Pin. 

  5. Slot type spring plunger in plastic sleeve with POM and Stainless Steel Ball.                  

Other types of Spring Plungers available with us are:

  1. Spring plunger with Sensor.

  2. Spring plunger with Long-Lok.

  3. Spring plunger with Knob.

  4. Spring plunger with Pull ring.

  5. Spring plunger with Handle.

Click here to view our complete catalog of the spring plunger.

As mentioned above, all types of spring plungers are available with thread in different metrics as well as inch version with an option for the selection of spring forces according to the required application.

For stock availability, please do contact us with the details given below.

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