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

...
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Viewing 1 - 20 of 52 products
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Description Price Thread Size Length Ball Diameter
RS Stock No. 478-917
BrandRS PRO
$54.06
1 Bag of 5
Bag(s)
M5 12.9mm 3mm
RS Stock No. 478-658
BrandRS PRO
$46.33
1 Bag of 10
Bag(s)
M6 15mm 3.5mm
RS Stock No. 478-911
BrandRS PRO
$70.63
1 Bag of 5
Bag(s)
M8 17.5mm 5mm
RS Stock No. 124-1905
BrandRS PRO
$9.02
Each (In a Pack of 3)
units
M8 20mm 4.7mm
RS Stock No. 110-4582
BrandRS PRO
$21.94
1 Bag of 3
Bag(s)
M8 20mm -
RS Stock No. 237-388
BrandRS PRO
$106.85
1 Bag of 5
Bag(s)
M16 54mm -
RS Stock No. 478-636
BrandRS PRO
$42.85
1 Bag of 10
Bag(s)
M4 9.8mm 2.5mm
RS Stock No. 478-608
BrandRS PRO
$81.29
1 Bag of 5
Bag(s)
M12 24.5mm 8mm
RS Stock No. 478-923
BrandRS PRO
$125.66
1 Bag of 5
Bag(s)
M20 34.5mm 12mm
RS Stock No. 478-743
BrandRS PRO
$44.57
1 Bag of 5
Bag(s)
M3 7.5mm 1.5mm
RS Stock No. 478-668
BrandRS PRO
$46.79
1 Bag of 10
Bag(s)
M5 12.9mm 3mm
RS Stock No. 478-567
BrandRS PRO
$53.56
1 Bag of 5
Bag(s)
M4 9.8mm 2.5mm
RS Stock No. 478-731
BrandRS PRO
$50.98
1 Bag of 10
Bag(s)
M8 17.5mm 5mm
RS Stock No. 237-564
BrandRS PRO
$128.61
1 Bag of 10
Bag(s)
M12 - -
RS Stock No. 478-737
BrandRS PRO
$57.31
1 Bag of 10
Bag(s)
M10 21mm 6mm
RS Stock No. 110-4583
BrandRS PRO
$31.78
1 Bag of 3
Bag(s)
M10 26mm 6mm
RS Stock No. 478-927
BrandRS PRO
$58.59
1 Bag of 5
Bag(s)
M6 15mm 3.5mm
RS Stock No. 124-1904
BrandRS PRO
$12.45
Each (In a Pack of 3)
units
M10 26mm 6.2mm
RS Stock No. 237-788
BrandRS PRO
$228.78
1 Bag of 10
Bag(s)
M12 61mm -
RS Stock No. 237-750
BrandRS PRO
$101.18
1 Bag of 10
Bag(s)
M8 - -
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