What is the Use of T-slot Aluminium Profile?

What is the Use of T-slot Aluminium Profile? aluminium extrusion t slot T-slot aluminium extrusion · Profile：80x80 Weight:m Surface treatment: anodized , has a · Profile：80x80 Weight:m Unified T-slot, adapt to aluminium extrusion tslot Manufacturer of ALUMINIUM PROFILES - 3030 T Slot Aluminium Profile, 3060 T Slot Aluminum Profile, 4040 Medium T-Slot Extruded Aluminium Profile and 50100

aluminium extrusion tslot 20*20 Aluminium Extrusion T-Slot Profile Summary: Order No: HY-S6-2020, T-slot height: mm, Section size: 20 mm × 20 mm, Hole: φ5 mm,

aluminium profile t slot Aluminium Extrusion 2020 T-Slot 1000mm · 3DINNOVATIONS 2020 Series Sliding T Nuts Metric M3 Thread Slide in Hammer Head T-Nut · MUTZTEQ Double T-Nut M5 Tee Nuts This American-made aluminum extrusion is 100% compatible with all leading manufacturers' fractional and metric T-Slotted Extrusions