Pololu Universal Aluminum Mounting Hub for 3mm Shaft, M3 Holes (2-Pack)
These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 3 mm diameter motor shafts. The set includes two hubs, two M3 set screws for securing the hubs to motor shafts, and one 1.5 mm Allen wrench for use with the set screws.
Each hub has four threaded mounting holes for M3 screws (not included).
hese universal mounting hubs are designed to work with most 3 mm diameter shafts, including round shafts, “D” shafts, and Tamiya’s 3 mm hexagonal shafts. Each of the two included hubs has four mounting holes for M3 screws (not included), letting you mount custom wheels or mechanisms to your motors. The two included M3 hex set screws (one for each hub) allow secure coupling of shaft to hub, and a 1.5 mm hex wrench is included for use with the set screws. A dimension diagram of the hub is available under the resources tab.
|Size:||17.5 mm diameter × 5 mm thick|
|Shaft diameter:||3 mm|
|Mounting hole size:||M3|