1/4 Bolt Knob
thingiverse
I designed this Knob specifically for use with 1/4x20 bolts that serve as hold downs on my MPCNC. To ensure secure attachment, I incorporated 1/4 x 20 inserts into the bed of my MPCNC and crafted these knobs to fit snugly over the bolt, preventing them from simply sliding off the top.
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