O-rings are simplistic components that find regular use in many industrial applications, known for their ability to create tight seals and prevent leaks. Their widespread use in machinery, automotive systems, aerospace, and even everyday household items underscores the importance of such components, and having a basic understanding of how they are made can shed light on their overall functionality. The manufacturing process of O-rings involves several stages, each critical to ensuring their effectiveness and durability. Here, we will delve into the various steps involved in producing these vital components.