Stainless Steel Ball-point Pogo Pin

Stainless steel spring contact pins "typically refer to spring plungers commonly used in industry and are also commonly known as locating beads, marble screws, or wave bead screws."

What is a spring plunger?
A spring plunger is a mechanical device that uses internal springs to propel steel (or ceramic) balls in linear motion. Its main components include:

Subject (shell): Typically made of stainless steel (such as SUS304 and SUS316), it provides structural support and threads.

Springs: provide thrust and are typically made of stainless steel, rust-proof, and have a long lifespan.

Beads (beads): parts that withstand contact and friction, typically stainless steel balls, carbon steel balls, or ceramic balls.

Locking element: Some designs have screws or plugs at the ends to secure the springs and beads.

Main functions and applications
The core function of a spring plunger is to provide resettable, elastic positioning, locking, or limiting. Specific applications include:

Precise Positioning: Used in fixtures, molds, and automation equipment for precise part positioning and quick assembly. When grooves or holes on a part press against the bead, a "click" sound is produced, indicating that it is in place.

Door/Cover Locking: Used for cabinet doors, electrical cabinet doors, lids, and other applications, it provides gentle retention, making it easy to open and close without the need for additional handles.

Limit and overload protection: Used in transmission mechanisms as resettable safety pins. When torque is too high, the beads will be pressed back to avoid equipment damage.

Tension Regulation: Used for reels, spools, and other mechanisms to provide constant friction tension.

Reset function: Provides reset force in some button mechanisms or link mechanisms.

Main features
Durable: Stainless steel has excellent corrosion resistance and wear resistance.

Stable Performance: The spring provides constant and reliable thrust.

Installation is simple: featuring a standard thread design that allows direct insertion into the installation hole.

 

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