The Pololu universal aluminium mounting hub allows you to mount custom wheels and mechanisms to 4 mm motor shafts. The hubs are sold in pairs, and each hub includes one 4-40 set screw for securing a motor shaft to the hub.
Our supplier is out of stock
Our Code: MEC-30023
Supplier Link: [Pololu MPN:1081]
These universal mounting hubs are designed to work with most 4 mm shafts, including round shafts, and “D” shafts. Each hub has four mounting holes for 4-40 screws, letting you mount custom wheels or mechanisms to your motors. 4-40 hex set screws (one included for each hub) allow secure coupling of shaft to hub. The kit includs set screws and a matching 0.05" hex wrench .
Mechanical drawing for the Pololu universal aluminum mounting hub for 4 mm shaft.