Gibraltar 10611SS Stainless Steel Press Fit Ball Plunger

Product Description

The GIBRALTAR 10611SS is a press fit ball plunger machined from stainless steel, used to provide spring-loaded positioning, indexing, or detent retention in assemblies and fixtures. The body measures 0.375 inches in diameter and 0.864 inches in length, with a 0.312-inch stainless steel ball that extends up to 0.11 inches at maximum reach. Initial end force is 5 pounds and final end force is 14 pounds, making it suitable for light-duty detent applications where repeatable positioning under moderate spring resistance is required. Machinists, tool and die makers, and maintenance technicians install this type of component in jigs, fixtures, and mechanical assemblies.

This ball plunger is used in industrial and mechanical assembly applications where a press-fit installation into a bored hole is preferred over a threaded body style. The press fit design allows fast installation without tapping threads, which is useful in thin-wall housings or wherever thread engagement is not practical. The all-stainless construction — both body and ball — suits environments where corrosion resistance is needed, such as food processing equipment, marine hardware, or washdown service areas.

Key Features

• Body and ball both constructed from stainless steel for corrosion resistance
• Press fit installation — no threading required
• 0.312-inch ball diameter with 0.11-inch maximum ball reach
• 5-pound initial end force and 14-pound final end force for reliable detent action
• No flange and no locking element — compact, low-profile footprint
• Sold individually, suitable for single-unit replacement or prototype builds

Compatibility

Designed as a standard press fit ball plunger for use in jigs, fixtures, tooling plates, and mechanical assemblies that require a 0.375-inch diameter bored installation hole.

Installation Notes

Installation is performed by pressing the plunger body into a bored hole sized to the appropriate interference fit tolerance for the 0.375-inch diameter body. A press or arbor press is typically used to seat the component without damaging the ball or spring. Verify hole depth and diameter before installation, as press fit components are difficult to remove without distortion. No thread tapping or thread sealant is required for this style of plunger.