Gibraltar SSW10-4YA-G Threaded Spring Plunger 1/4-28

Product Description

The GIBRALTAR SSW10-4YA-G is a threaded spring plunger designed for use in fixturing, tooling, and mechanical assemblies where controlled, repeatable spring-loaded positioning or detent force is required. The body and nose are both constructed from stainless steel, offering corrosion resistance suitable for demanding industrial environments. It features a 1/4-28 thread size with a 1-inch thread length and a maximum plunger diameter of 0.118 inches. Initial end force is 1 pound and final end force is 4 pounds, making it appropriate for light-duty indexing and positioning applications. This part is installed by machinists, toolmakers, and maintenance technicians.

This spring plunger is suited for use in jigs, fixtures, machine tool components, and mechanical assemblies requiring a standard-projection plunger. With a 3/16-inch plunger projection and a 1-inch body length, it fits into common threaded bores without modification. The stainless steel construction makes it a practical choice in wash-down or high-humidity environments where carbon steel alternatives would be prone to corrosion. It ships individually and is sold as a single unit.

Key Features

• 1/4-28 thread size with 1-inch thread length for standard threaded bore installation
• Stainless steel body and nose for corrosion resistance
• 3/16-inch plunger projection, standard-length configuration
• 1-pound initial end force and 4-pound final end force for light-duty positioning
• Maximum plunger diameter of 0.118 inches
• No locking element, allowing straightforward threaded installation and removal

Compatibility

Designed as a standard-thread spring plunger replacement or new installation for 1/4-28 threaded bores in industrial jigs, fixtures, and mechanical assemblies.

Installation Notes

Installation is performed by threading the plunger body into a prepared 1/4-28 tapped hole using an appropriate hex key sized to the 0.0781-inch hex drive. Ensure the mating bore is clean and free of debris before installation. Do not overtighten, as excessive torque can distort the plunger body or affect spring performance. Confirm the plunger moves freely through its full projection range after installation.