Pololu Universal Aluminum Mounting Hub for 4mm Shaft, 4-40 Holes (2-Pack)
CHF7.38
These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 4 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).
These universal mounting hubs are designed to work with most 4 mm diameter shafts, including round shafts, and “D” shafts. Each of the two included hubs has four mounting holes for #4-40 screws (not included), letting you mount custom wheels or mechanisms to your motors. The two included #4-40 hex set screws (one for each hub) allow secure coupling of shaft to hub, and a 0.05″ hex wrench (often the smallest size in SAE Allen wrench sets) is included for use with the set screws. A dimension diagram of the hub is available under the resources tab.
Dimensions:
| Size: | 19 mm diameter × 5 mm thick |
|---|---|
| Weight: | 3.2 g |
| Shaft diameter: | 4 mm |
| Mounting hole size: | #4-40 |
PO-1081
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These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 4 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).