The quest for enhanced performance in various mechanical applications often leads engineers and designers to explore alternatives to traditional components. One such component that has been a staple in many industries is the hex shaft. While hex shafts are known for their reliability and efficiency, there are instances where alternative designs can provide superior performance, flexibility, or ease of manufacturing. This exploration is particularly pertinent in fields such as robotics, automotive design, and machinery, where the demands for precision, power transfer, and space efficiency are ever-increasing. As technology advances, so too do the materials and methods for constructing mechanical components. The limitations of hex shafts, including their potential for wear,…