10 Pieces M5 By 25mm Screw Thread Ball Plungers With Hex Socket For Lubrication And Pneumatic Tools High Carbon Steel Construction Black Finish Ball Diameter Two Point Five Millimeter Spring Load Four To Eighteen Newtons

10pc M5 Ball Plunger Set with Hex Socket, 25mm, Steel
✔️ M5 thread, 25mm long, 2.5mm ball, 0.8mm protrusion, 4-18N spring

This 10-piece screw thread ball plunger set delivers precise indexing and pressure for fixtures, automated machinery, and pneumatic tools. Designed for quick installation and reliable locking, these plungers excel in repeatable positioning within manufacturing setups.

✅ Material: high-carbon steel with blackened heat-treated finish
✅ Thread: M5 with 0.8mm pitch; overall length 25mm (0.98")
✅ Ball diameter: 2.5mm (0.1"); exposed size 0.8mm (0.03")
✅ Spring: 4-18N, 65Mn material for strong, tunable force
✅ Hex socket design: 12.9-grade, precise threads for secure installation
✅ Applications: ideal for fixing, pressure, and precise positioning in fixtures and automation
✅ Note: small size enables easy installation and locking effect

💡 What is a ball plunger used for in precision assemblies? It’s handy for securing, indexing, and locating parts in fixtures and automation gear.

• Provides positive positioning and locking under load
• Helps maintain accurate alignment in fixtures, dies, and automation cells
• Durable steel construction resists wear and corrosion in demanding environments
• Works with compatible threaded holes and housings to prevent loosening during operation