Use for general purpose fastening applications.

The flange distributes pressure where the nut meets the material surface, eliminating the need for a separate washer.

Also known as extension nuts, use these to connect and extend threaded rods. They’re about three times taller than standard hex nuts.

Weld, glue, or screw these nuts onto thin materials.

Also known as Allen nuts, use these nuts with socket head cap screws in recessed holes and tight spaces that don't have enough clearance for a wrench.