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 pre-defined holes in projects. The plunger components come in a range of types, sizes and materials to suit your every requirement. There are two main types of plungers available, each suited to various different applications.

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 and 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.

How to install

Spring and indexing plungers feature a variety of installation methods including internal, hexagon, slot and top slot.

Threads

Spring plungers are available in a wide range of thread sizes, to accommodate for various applications. At RS we offer indexing and spring plungers in a range of metric threads including 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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Omschrijving Prijs Thread Size Length Ball Diameter
RS-stocknr. 918-5276
Fabrikantnummer51571
FabrikantElesa
€ 9,70
Each
Aantal stuks
M10 45mm 21mm
RS-stocknr. 918-5270
Fabrikantnummer51572
FabrikantElesa
€ 11,23
Each
Aantal stuks
M12 54mm 25mm
RS-stocknr. 918-5289
Fabrikantnummer51581
FabrikantElesa
€ 14,08
Each
Aantal stuks
M16 69mm 31mm