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The GIBRALTAR MSSW10-4B-PT-G is a threaded ball plunger designed for precision positioning, indexing, and light-duty detent applications in industrial and mechanical assemblies. The body is M6 x 1 threaded, measuring 0.551 inches in length, with a stainless steel construction throughout — both the body and the ball are stainless steel, making the plunger suitable for corrosive or wash-down environments. The ball diameter is 0.137 inches (3.50 mm), with a maximum ball reach of 0.039 inches (1.00 mm). Initial end force is 2.02 pounds and final end force is 2.92 pounds. A locking element is incorporated to prevent the plunger from backing out under vibration or repeated cycling.
This ball plunger is used in fixture plates, jigs, tooling blocks, machine slides, and other precision mechanical assemblies where repeatable detent or positioning force is required. The M6 x 1 thread size fits standard metric threaded holes common in machine tool components, automation equipment, and industrial fixtures. The stainless steel construction suits cleanroom, food-processing-adjacent, and general industrial environments where corrosion resistance is a priority. Installation is handled by machinists, toolmakers, and mechanical assembly technicians.
Designed as a standard metric threaded ball plunger for use in any application requiring an M6 x 1 threaded hole with a light-force spring-loaded detent or positioning element.
Install using a hex key or appropriate driver in a clean, tapped M6 x 1 through-hole or blind hole. Ensure the mating hole is properly tapped and free of debris before threading the plunger in. The locking element holds the plunger at the set depth, but verify the seating torque is appropriate for the base material to avoid thread damage. Power down or de-energize any associated equipment before servicing fixtures or tooling containing this component.
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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