T-Slot plates made of steel and aluminium

T-Slot plates made of steel and aluminium aluminum t slot table I thought about using aluminum profile 2020 rail is cheaper But wasn't sure if that would work with standard hold down kits Am I on the right aluminum t slot rails I've bought aluminium t-track and was going to route slots out and bolt them to the MDF - I'm not sure cutting t-tracks into wood would work

aluminum t slot rails $ ea · 20mm Thick PT50 Aluminum T-Slot Extrusion Table Plate 375mm Width - Part #: mp-00002513 · QTY QTY

aluminum t slot track aluminum T-slot table with 1” spindle clearance • V-Touch Multi-Functional Touch Screen • Steel frame construction • Linear rails and Teflon-coated lead measure: 24 x 12 made for T-Slot nuts according to DIN508 TolerancePrecision: +- 0 004 8