1" Diameter Knurled Knob for 1/4x20 nuts and bolts with Bolt Cap
thingiverse
Imported into Fusion and made a few changes. 1. recessed hexagon for bolt head deeper 2. added little holes for glue to bite better 3.made a cap to go on the end to cover bolt Idea here is to have a fully sealed in bolt head that turns a normal 1/4 inch bolt into an easy to use fitting on a boat particularly when fingers are cold. Printed in either PLA or PETG it gives a good result. Push the bolt into the knob or put a wing nut on the bottom to drag it in. Then put some glue or resin in the top to fill the space, then clip the cap on. That bad is never going to come off! Enjoy.
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