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