Can you bolt linear rails to extruded aluminum?

aluminum t slot rails   Dan aluminum t slot plate

T-slot framing profiles combine to build carts These extruded aluminum profiles have recessed T-slots that accept compatible connectors and fasteners

What a lot of people forget is that a hollow tube is stronger for the same MASS, or the same Cross-Section area, since a tube several times of Im not sure of any companies or products, but a quick google search on aluminum extrusion pieces and parts, will give you a good cheap start to

hald slot Choose from our selection of aluminum T slots, including T-slotted framing rails, T-slotted framing structural brackets, and more  2PCS 20 Series T Slot 2080 Aluminum Extrusion Profile '',European Standard Anodized Linear Rail for 3D Printer Parts and CNC DIY 400mm Silver