A T-slot nut is used with a threaded clamp to position and secure pieces being worked on in a workshop. The T-slot nut slides along a T-slot track, which is set in workbench or table for a router, drill press, or bandsaw.
Dome nuts have a huge variety of uses. From being used for it’s aesthetics as a cover for threaded rods or as cap for machine screws in architectural metalwork, to being used in car modification business as an alternative to manufacturer supplied nuts and fixings. These acorn nuts are also quite often used in furniture & fixings.