Spring Plungers smooth, without collar, with moveable ballEH 22081.Spring Plungers - smooth, without collar, with moveable ballSpring Plungers - smooth, without collar, with moveable ball_DrawingsSpring plungers can be used for locating or for applying pressure, as a detent or for ejection. The running of the ball minimises wear on the counterpart, this also results in a positive locking behaviour depending on the counterpart. Plastic balls offer electric insulation. MaterialBody Stainless steel 1.4305Bearing PlasticBall Stainless steel, hardenedSpring Stainless steelAssemblyThe locating hole has to be adapted to each individual application case. We recommend an F8 size location hole for easy assembly and a H9 size when tight fit is required. NotesSpecial types on request. Spring range and forces are precisely tested. ReferencesCalculation of indexing resistance, see details at the start of the section.