RS PRO Steel Spring Plunger M8 Thread, 17.5mm Length, 5mm Ball Diameter 478-911

The RS PRO 478-911 Steel M8 Spring Plunger is a high-integrity ball spring plunger designed to facilitate precise indexing, positioning, and clamping in mechanical assemblies. It is manufactured from robust steel material, providing reliable mechanical performance in demanding industrial settings.

Featuring an M8 threaded body, this plunger incorporates a convenient screwdriver slot, allowing for straightforward installation, adjustment, and removal. The retained steel ball at the end, with a diameter of 5mm, permits controlled contact and secure locating or latching of components. Its compact 17.5mm length ensures compatibility with machinery, jigs, tools, fixtures, and adjustable elements where space is a consideration.

The spring plunger is intended primarily for use in environments requiring repeatable and accurate positioning, such as holding workpieces against a datum face, clamping movable parts, or latching mechanisms. Typical applications include assembly fixtures, machine handles, and adjustable levers in industrial, manufacturing, laboratory, and mechanical engineering contexts.

Engineered for reliability, this variant withstands operating temperatures up to 250°C. It is supplied in the standard spring load configuration without special marking. The product is not certified to special standards and approvals, but is optimized for high-quality industrial hardware applications.

Product highlights include steel construction for durability, precision M8 thread for universal compatibility, compact body size for integration, and a hardened ball for repeatable positioning. The plunger is well suited for mechanical equipment, engineering tools, machine spares, and fixtures in commercial and industrial environments.

Constructed from durable steel for long-lasting performance. M8 thread size with convenient screwdriver slot. Retained hardened steel ball, diameter 5mm, for accurate positioning. Compatible with adjustable levers, clamping knobs, and fixtures.

Operates up to 250°C temperature range. Unmarked for standard spring load; straightforward installation. Optimized for mechanical, manufacturing, and industrial hardware applications. Browse more RS PRO Spring Plungers and Indexing Plungers in EnvMart's industrial hardware category for diverse mechanical and fixture requirements.