What’s Inside a Grease Gun? Hidden Spring & Piston Mechanism Revealed

A grease gun looks simple from outside, but the internal mechanism is powerful and precise. In this video, I cut open a grease gun to show how the spring, piston, and plunger system actually works. You will clearly understand how pressure builds and how grease is delivered in real mechanical systems. This is a complete internal breakdown for mechanics, students, and DIY learners. In this video you will see: Internal spring mechanism Piston movement in real time How grease pressure is created #GreaseGun #MechanicalEngineering #ToolExplained #WorkshopTools #HowItWorks #EngineeringBasics #DIYTools #CutOpen #Mechanism #Maintenance گریس گن کیسے کام کرتی ہے ग्रीस गन कैसे काम करती है?