Random Question - T-slot Nuts and Bolts

New Member Hey guys! I was trying to search the forums for making a custom T-slot framing similar to the xtrusion set up on the link below

Get the toughest, most versatile truck bed rack on the market Specially designed for retractable covers with T-slots Reasonable priced Easy installation

triple bonanza slot machine Note: If your Roll Top extrusion has a 6mm to 7mm slot opening, you may need Track Mount Stud Plate for installation {{category_id:3}}

thunderfist slot The Reconn-Deck™ Towers come with slots to provide you with an additional mounting point for accessories article image