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

Steel T-Slot Nuts t slot nuts m6 M6 x 16mm L Zinc Steel T-Slot Nut tragaperras slot Click here to view the Matara T Nut

tslot aluminum extrusion Nut Type, T-Slot Tap Type, Through Thread Size, M6 Material, Steel Slot Width, Base Width, Base Height ,