These Pololu universal aluminium mounting hubs allow you to mount custom wheels and mechanisms to 5mm 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).
We have an assortment of universal mounting hubs available, spanning several shaft sizes and featuring mounting holes threaded for metric or imperial screws. These universal mounting hubs are designed to work with most 5mm diameter shafts, including round shafts and “D” shafts, such as those found on many stepper motors.
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.
These hubs will work with most of our stepper motors (the ones with 5mm shafts), and they also work with 60mm, 70mm, 80mm, and 90mm Pololu wheels (excluding the Multi-Hub versions; see the individual wheel pages for compatibility details).
Specifications
- Size: 19 mm diameter × 5 mm thick
- Weight: 3.2g*
- Shaft diameter: 5mm
- Mounting hole size: #4-40
*For a single hub only (without set screw)
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