t6slotT-slot aluminum is used for a wide variety of framing applications. T-slots are structural aluminum extrusions that permit modular construction and can be used to construct any imaginableExamples of T-slotted profiles 1964 patent demonstrating early use of extruded T-slot members. Cross-section of 8020 T-slotted profiles, 10 and 15 series A bicycle trailer for bike-trekking