Spool Winding Drill Bit 1/2 Inch
thingiverse
This is a drill bit that accepts a 1/2 inch square socket driver and can hold a filament spool. This thing can be used to clamp down a spool to wind it full of filament with a cordless hand drill. Additional parts: https://www.mcmaster.com/90032A051 - 1 foot long 5/16 - 24 threaded rods. https://www.mcmaster.com/92001A331 - 5/16 - 24 Wing Nut https://www.mcmaster.com/91845A115 - 5/16 = 24 Hex Nut Other sizes of threaded rod and hex nut might fit, or will fit with an appropriately sized washer if it's what you have lying around. Happy rolling!
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