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4MM Bore GT2 20 tooth Pulley for Sanyo Denki Steppers

4MM Bore GT2 20 tooth Pulley for Sanyo Denki Steppers

thingiverse

This is a custom GT2 20-tooth pulley designed specifically for 4mm bore Nema17 Sanyo Denki steppers with Astrosyn dampers. I created it because finding a 4mm bore 20-tooth GT2 pulley is virtually impossible. The shaft has been lengthened to accommodate the thickness of the damper. Two 3mm set screws and two 3mm nuts are used for secure fastening, and even without the set screws, the fit is extremely tight.

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