Steel butt hinges are used in doors, cupboards, cabinets, and furniture. They help doors open and close smoothly. However, a hinge that looks good may still have problems if its dimensions are incorrect, its material is unsuitable, or its parts are not made properly.
For manufacturers, these problems can lead to rejected products, customer complaints, wasted materials, and delays in supplying orders. That is why quality checks should be part of the manufacturing process, not something done only w
