Looking for slim M6 or M8 t-nuts that would fit this extrusions

Nut M8 SS – slot 8 · Square Nut specifically designed to fit into 8mm aluminium T-slot · Price is for 5 pack 3

Slot nut heavy slot 10 M8 B type,accessories,aluminum profiles,strut profiles,slot nut,hammer nut,machine building profiles

m8 t slot nuts T-Slot Nuts M8 Stainless T-Slot Nuts

m88 slot asia of high-quality carbon steel, Nickel plated Finished with M8 thread for standard 45mmx45mm aluminum profile extrusion slot