Should nut slots be cut V-shaped, or semi-circle?

Should nut slots be cut V-shaped, or semi-circle? v slot nut T-Nut made for easy assembly of products that uses 20mm x 20mm V-slot aluminium extrusions vinnie jones stories roulette slot Online shop offersT-Nuts - Drop In M5 - ( The product is a nut that can be added anywhere along the grooves in the V-Slot profiles

vinnie jones stories roulette slot V; W; X; Y; Z A edit · A-grade Also aid climbing grade The technical Also nut key or nut tool A device for removing jammed protection equipment

viral bet77 slot Różnice między nakrętkami T-NUT M5 a Drop In Tee Nuts V-Slot Openbuilds #shorts I'm connecting two extrusions of V-slot with an L-bracket, but I need to know what length M5 screws are needed