POWERTEC 36 in x 3 in Aluminum Universal Multi T-Slot Tracks

2020 T slot is very common and regular for any industrial profiles dealer I think any local dealer will have this extrusion You can choose

Features: Aluminium t-slotted extrusions form a perfect solution for custom machine frames, workstations, prototyping, guarding etc great framing

2020 slot 1 varc T Nuts to make this simple jig which can help is easy tapping of 2020, 2040 V Slot and T Slot

2020 t slot V-slot profile consisting of lengths of square or rectangular extruded aluminum, typically 6105-T5 aluminium alloy , with a T-slot down the center line of one