
The wing nut, also known as a butterfly nut, is designed with two metal "wings" for easy hand tightening and loosening. It is suitable for applications where frequent adjustments or quick removal are necessary.

Square weld nuts are designed for secure and permanent attachment to metal surfaces. They feature a square body that allows for easy wrenching and precise positioning.

The square nut is a four-sided fastener used with bolts or screws to join materials. Its square shape offers a larger surface for wrenching, providing increased resistance to loosening.