t6slotAluminum 6063 T-slots are commonly used in manufacturing and industrial applications for their versatility in securely attaching components and e T-shaped grooves allowExamples 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