Pololu Universal Aluminum Mounting Hub for 3mm Shaft, #4-40 Holes (2-Pack) Spedizione:2-4 Settimane Each strand of this ribbon

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Pololu Universal Aluminum Mounting Hub for 3mm Shaft, #4-40 Holes (2-Pack) Spedizione:2-4 Settimane Each strand of this ribbonThese universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 3 mm diameter motor shafts. The set includes two hubs, two #4 40 set screws for securing the hubs to motor shafts, and one 0. 05 Allen wrench for use with the set screws. Each hub has four threaded mounting holes for #4 40 screws (not included). Mini gearmotor with bracket and hub. These universal mounting hubs are designed to work with most 3 mm diameter shafts,