10-Pack 3mm x 4mm Drop-in Stainless Steel Spring Ball Plunger

3mm x 4mm Stainless Steel Spring Ball Plunger
✔️ Pack of 10 Plungers

These 3mm x 4mm stainless steel spring ball plungers are compact positioning components designed for secure indexing, locating, and locking applications. Perfect for fixtures, jigs, or mechanical assemblies that need quick, repeatable alignment with reliable spring tension.

✅ Type: Spring Ball Plunger
✅ Dimensions: 3mm Diameter x 4mm Length
✅ Material: Stainless Steel
✅ Function: Provides spring-loaded pressure for positioning and locking
✅ Quantity: 10 Plungers

💡 What are spring ball plungers used for in mechanical setups?
They provide consistent spring pressure to position or hold components securely.

• Prevent shifting or vibration in moving assemblies

• Allow smooth insertion and easy release when needed

• Maintain repeatable alignment in precision mechanisms

Small but mighty, these stainless plungers are the handy hidden heroes that keep your setups tight, accurate, and running right.