Metal Hex Nut with Threads

A close-up view of a shiny metal hexagonal nut, equipped with an internal blue nylon locking insert designed to prevent loosening. The internal threads are clearly visible, indicating its purpose for securing bolts and other threaded fasteners. Its metallic surface reflects light, showcasing its sturdy construction.

nut - hex nut - metal - fastener - locking nut - nyloc - hardware - threaded