How to join t-slot profile with a Standard Nut and Bolt connection

Hose, Piping, Tubing and T-Slot FramingCompressed Air t slot tubing 1 18 Groved anodized aluminum square tubing @ $ per linear foot ; tiger slot machine How about using some stout cut tubing lengths for the spacer? I have a P1 also but WILL be mounting SFX actuators to the rig I want to

tuan slot 88 Hose, Piping, Tubing & T-Slot Framing Whether constructed of rubber, stainless steel thermoplastic or fluoropolymer, hose and tubing is used in a wide variety