Shopping for 40 series parts Are T-slot nuts interchangeable?

18x6,8mm Slot 8 M8 I=23mm Product: T-Slot Nut Spring Ball Zinc-Plated Steel Material: Steel Finish: Zinc-Plated

Suitable for T slot profiles with 8 mm and 10 mm grooves For attaching TOT! locking jig, clamping levers , and end stops

8mm t slot nuts T SLOT NUT, M5 THREAD, 8MM SLOT, ZINC PLATED, CARBON STEEL · T SLOT NUT WITH SPRING, M6 THREAD, 10MM SLOT, ZINC PLATED, CARBON STEEL

jackpot express slot big win 18x6,8mm Slot 8 M8 I=23mm Product: T-Slot Nut Spring Ball Zinc-Plated Steel Material: Steel Finish: Zinc-Plated