5 Pack M10 X 40mm Screw Thread Ball Plungers With Hex Socket High Carbon Steel Spring Plungers For Lubrication And Pneumatic Tools Ball Plunger Diameter 5mm 20 To 60N Spring Load Black Finish

High-Strength M10x40 Ball Plunger Set for Precision Fixing
✔️ 5pcs, M10 thread, 40mm (1.57") length, 5mm ball (0.20"), 1.5mm pitch (0.06")

This 5-pack screw thread ball plungers deliver precise holding power for fixtures, automation equipment, and mechanical assemblies. Made from high-carbon steel with a blackened finish, they resist corrosion and wear while delivering reliable performance in demanding environments.

✅ 5pcs set with M10 thread, 40mm (1.57") length, 5mm (0.20") ball, 1.5mm (0.06") pitch, 20-60N spring force
✅ 12.9 grade hex socket design for precise fit and secure mounting
✅ High-carbon steel housing with blackened heat treatment for corrosion resistance
✅ 65Mn spring delivers strong load and fine-tuning without loosening
✅ Widely used for pressure, fixing, and precise positioning in mechanical equipment

💡 What is a ball plunger used for in precision fixtures?

Ball plungers are handy for quick locking and repeatable positioning in machinery and fixtures. They provide reliable indexing and secure holding in tight spaces.

- reliable indexing for repeatable positions - handy clamping and positioning - works with M10 threaded holes - reduces wear and slippage