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The GIBRALTAR MSSW10-4BL-PT-G is a threaded ball plunger designed for indexing, positioning, and light-duty detent applications in industrial and mechanical assemblies. The body is machined from stainless steel and accepts an M6 x 1 thread, making it suitable for corrosion-resistant installations where standard carbon steel hardware is not appropriate. The ball measures 0.137 inches in diameter and delivers an initial end force of 0.45 pounds, increasing to a final end force of 1.35 pounds at full compression. A built-in locking element secures the plunger in position once installed. Machinists, toolmakers, and maintenance technicians working on jigs, fixtures, and automated equipment are the primary installers of this component.
This ball plunger is used in applications requiring controlled detent or spring-loaded ball engagement between mating surfaces. Typical scenarios include fixture locating, panel latching, drawer positioning, and light mechanical indexing. The M6 x 1 thread fits standard metric-tapped holes common in precision machine components, European-standard equipment, and custom fabricated assemblies. The stainless steel construction suits environments exposed to coolants, cleaning agents, or moderate moisture. The purple color code on this variant aids in quick field identification when multiple plunger specifications are stocked together.
Designed as a direct-fit replacement or new-installation threaded ball plunger for any assembly with a metric M6 x 1 tapped hole requiring a spring-loaded ball detent or positioning element.
Installation is performed by machinists or maintenance technicians using a standard hex wrench or driver suited to the plunger head style. The locking element should be engaged after the plunger is threaded to the desired depth to prevent back-out during service. Ensure the mating surface and tapped hole are clean and free of chips or debris before installation. De-energize or lock out any machine or assembly before servicing components in moving or spring-loaded mechanisms.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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