8mm shaft collar

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Parametric design for an adjustable collar accommodates 8mm smooth shafts with options for one or more M3 setscrews. The updated design is highly adaptable, allowing users to adjust settings within the SCAD file to accommodate various shaft diameters, setscrew sizes, and numbers of setscrews. To achieve asymmetry, simply input a non-integer number of setscrews into the design. Typically, one setscrew provides sufficient security; however, two screws may allow slight pivoting on screw points, making them suitable for use with a single longer cross bolt passing through the shaft if it features a slot or cross-bore. Currently optimized to closely match nominal 8mm dimensions, this collar may require some cleanup and reaming to fit properly, particularly around M3 setscrew holes that can appear D-shaped due to unsupported overhangs.