8020 modular T-slotted aluminum framing system

Has anyone done a T-Slot or 8020 type build using metric fasteners? Also on the Euro aluminum frame systems stuff there is Bosch-Rexroth and

I have a surplus of 8020 aluminum t-slotted extrusions from various projects at work

80_20 aluminum tslot Many advantages you gain by using t-slotted framing are lost if you decide to weld the sections If you want to have Aluminum welded together

80 20 aluminum t slot 8020 Inc Framing; Frame Type: T-Slotted; Duty Grade: Heavy-Duty; Material: Aluminum Alloy; Slot Location: Quad; Overall Length : 120; Overall