1/4-20 Thumb Screw (1.5" Diameter)
thingiverse
1/4-20 thumb screw 1.5" diameter... pretty straightforward... Check the video below for where I have been using them! The series of pictures describes the assembly. 1. Insert a hex bolt of desired length into the top piece and secure it with a regular hex nut, being careful not to over tighten. Typically, I place the nut in a vise before giving it a hand-tight turn with the knob. 2. Apply some epoxy or super glue inside the knob. 3. Position the lower piece and turn it a few times to find an orientation that drops into place. 4. Temporarily hold the bottom piece in place using another hex nut while the glue cures. 5. Remove that nut, and the bottom piece will remain secure, preventing the internal nut from turning.
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