10pcs M8 x 10mm Screw Thread Ball Plunger Set, High Carbon Steel Hex Socket Spring Loaded Ball Plungers, Black Finish, Adjustable Pressure for Pneumatic Tools, Lubrication Systems & Mechanical Fixtures

Threaded Ball Plunger M8 x 10mm High Carbon Steel
✔️ Hex Socket Spring Loaded Ball Plunger Black Finish 10 PCS

This is a screw-in spring loaded ball plunger made for mechanical setups that need firm pressure and precise positioning. Built from high carbon steel with a blackened surface, it’s commonly used in lubrication systems, pneumatic tools, fixtures, and automated machinery where strong detent force and clean adjustment matter. Pack size is 10 pieces.

✅ Pack size includes 10 threaded ball plungers
✅ Thread size M8 with 1.25 mm pitch 0.05 inch
✅ Overall length 10 mm 0.39 inch
✅ Hex socket size 4 mm 0.16 inch for secure installation
✅ Ball diameter 4 mm 0.16 inch
✅ Ball exposed height 1.25 mm 0.05 inch
✅ Spring load range 12 to 50 N for adjustable holding force
✅ High carbon steel body with blackened heat-treated surface
✅ Smooth threads and hex drive help prevent slipping during install
✅ Used for positioning, fixing, and pressure control in machinery

Dimensions
Thread size M8 0.315 inch
Overall length 10 mm 0.39 inch
Hex socket size 4 mm 0.16 inch
Ball diameter 4 mm 0.16 inch
Ball projection 1.25 mm 0.05 inch

💡 Why are high-strength threaded ball plungers used in industrial positioning and locking systems?
They allow controlled adjustment while delivering strong, repeatable pressure in demanding setups.

• Threaded body lets you fine tune depth and holding force

• High carbon steel handles wear, load, and repeated adjustment

• Spring and ball design supports smooth detent action with less surface damage

• Hex socket drive keeps installation stable in tight or recessed areas

This M8 spring ball plunger is a handy choice when you need adjustable pressure, solid locking action, and dependable performance in industrial and pneumatic applications.