Spring Plungers & Indexing Plungers

Spring plungers and indexing plungers are mechanical components used in a wide range of machine and fixture applications. The plungers are typically used for locking, positioning and locating and fixing. The components come in a range of types, sizes and materials to suit your every requirement.

Types of plungers

Index Plunger (with button, knob or pull loop)

Indexing plungers are made up of a threaded body, a plunger and come with or without actuating button or ring. The nose of the indexing plunger extends which holds it in place, When the handle or lift ring is pulled back the plunger is disengaged, and the plunger retracts back into the body.

Spring Plunger (with a ball)

Spring plungers also known as ball plungers are mechanical parts that are used to secure, position index, positively lock off and apply pressure. The compact component is made up of a ball or pin, an internal spring, all contained in a housing that resembles a grub screw. The housings must be strong and are usually made from metals including steel, stainless steel or aluminium. Some spring plungers are also made of polyamide. Spring plungers are available in a range of thread sizes.

Threads

Our range of indexing and spring plungers are available in metric threads. The sizes include M3, M4, M5, M6, M8, M10, M12, M16 and M20

Materials

Our range of indexing and spring plungers are available in a wide range of materials to suit every application. Manufactured from high-quality materials resistant to solvents oils and greases. They include

  • Aluminium
  • Stainless steel, or stainless steel with a nickel or zinc plating
  • Steel
  • Polyamide

...
Read more Read less

Filters

Viewing 1 - 20 of 52 products
Results per page
Description Price Thread Size Length Ball Diameter
RS Stock No. 237-390
BrandRS PRO
£62.44
1 Bag of 5
Bag(s)
M10 51mm -
RS Stock No. 478-636
BrandRS PRO
£18.10
1 Bag of 10
Bag(s)
M4 9.8mm 2.5mm
RS Stock No. 478-652
BrandRS PRO
£17.06
1 Bag of 10
Bag(s)
M3 7.5mm 1.5mm
RS Stock No. 478-658
BrandRS PRO
£20.36
1 Bag of 10
Bag(s)
M6 15mm 3.5mm
RS Stock No. 478-731
BrandRS PRO
£21.53
1 Bag of 10
Bag(s)
M8 17.5mm 5mm
RS Stock No. 237-407
BrandRS PRO
£97.84
1 Bag of 5
Bag(s)
M16 75.5mm -
RS Stock No. 237-823
BrandRS PRO
£37.65
Each
Units
M20 69mm -
RS Stock No. 478-911
BrandRS PRO
£29.54
1 Bag of 5
Bag(s)
M8 17.5mm 5mm
RS Stock No. 237-750
BrandRS PRO
£43.81
1 Bag of 10
Bag(s)
M8 - -
RS Stock No. 478-668
BrandRS PRO
£19.77
1 Bag of 10
Bag(s)
M5 12.9mm 3mm
RS Stock No. 478-743
BrandRS PRO
£19.73
1 Bag of 5
Bag(s)
M3 7.5mm 1.5mm
RS Stock No. 237-671
BrandRS PRO
£40.15
1 Bag of 10
Bag(s)
M6 - -
RS Stock No. 478-927
BrandRS PRO
£24.50
1 Bag of 5
Bag(s)
M6 15mm 3.5mm
RS Stock No. 237-817
BrandRS PRO
£37.15
Each
Units
M20 69mm -
RS Stock No. 478-567
BrandRS PRO
£22.40
1 Bag of 5
Bag(s)
M4 9.8mm 2.5mm
RS Stock No. 237-665
BrandRS PRO
£27.07
1 Bag of 5
Bag(s)
M8 44mm -
RS Stock No. 478-747
BrandRS PRO
£31.84
1 Bag of 10
Bag(s)
M12 24.5mm 8mm
RS Stock No. 237-564
BrandRS PRO
£54.33
1 Bag of 10
Bag(s)
M12 - -
RS Stock No. 478-917
BrandRS PRO
£22.61
1 Bag of 5
Bag(s)
M5 12.9mm 3mm
RS Stock No. 237-401
BrandRS PRO
£75.92
1 Bag of 5
Bag(s)
M12 61mm -
Related Products
The Honeywell series of sub miniature switches have ...
Description:
The Honeywell series of sub miniature switches have been designed for simple and precision on/off application needs. The micro switch combines small size and light weight with precision operation, ample electrical capacity and long operating life. Available in basic style, or with stainless steel actuator Actuators supplied unfitted with fixing ...
For positioning operations on a range of equipment ...
Description:
For positioning operations on a range of equipment Available in both standard form and flat plate version for fixing to thinner panels by either screws or rivets Available with or without rest positions. Rest position achieved by rotating head 90 degrees to enable plunger to remain in its retracted position ...
The Southco 4.7mm spring load plunger is a ...
Description:
The Southco 4.7mm spring load plunger is a robust device with M7 threading. The aluminium knob provides a quick-release for sliding parts to operate. The user simply has to pull the aluminium knob to retract the steel stud. To hold the stud in the retracted position, the user must rotate ...
Provides quick release for sliding parts To operate, ...
Description:
Provides quick release for sliding parts To operate, simply pull the aluminium knob to retract the steel stud. To hold the stud in the retracted position, rotate the head 90°, to release, simply rotate the head Easily installed using a threaded sleeve. Aluminium Knob.