fastener

This term serves as a broad categorical label for any mechanical device that secures two components. In industrial or engineering contexts, it refers to heavy-duty hardware like bolts, rivets, or screws designed to maintain structural integrity under tension or shear stress. In the context of textiles and fashion, the word shifts toward closure mechanisms. It describes the functional elements used to open and close clothing, such as zippers or buttons, focusing on the ease of access and the aesthetic finish of the garment.