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The GIBRALTAR MSDKL25-G is a locking knob handle plunger designed for precision positioning and indexing applications in industrial and mechanical assemblies. This spring plunger features an M6x1.0 threaded body with a 13mm thread length, a stainless steel body with a black finish, and a Delrin knob for smooth, tool-free operation. The plunger locks in the retracted position, allowing hands-free repositioning of workpieces, fixtures, or panels. Initial end force is 0.11 pounds (0.5N) with a final end force of 0.34 pounds (1.5N). Machinists, toolmakers, and mechanical assemblers typically install this component during equipment setup or fixture fabrication.
This locking plunger is suited for use in jigs, fixtures, machine guards, enclosures, and light-duty positioning assemblies where repeatable engagement and quick-release functionality are required. The compact body length of 0.63 inches and 0.5-inch length under the head make it a practical fit in tight panel or housing assemblies. The Delrin knob style allows manual actuation without additional tooling, making it appropriate for frequent adjustment cycles in production or maintenance environments.
Designed as an OEM-style or aftermarket replacement locking knob plunger for standard M6x1.0 threaded applications in jigs, fixtures, enclosures, and mechanical assemblies requiring a Delrin knob locking-style spring plunger.
Installation is typically performed by machinists or mechanical technicians using a standard hex wrench sized for the 0.236-inch hex body. Thread the plunger into a pre-tapped M6x1.0 hole and torque to the assembly specification for your application. Ensure the mating bore and thread are clean and free of debris before installation. Power down or de-energize any associated equipment before servicing fixtures or panels that incorporate this plunger.
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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