

Pololu Universal Aluminum Mounting Hub for 6mm Shaft, M3 Holes (2-Pack)
These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 6 mm diameter motor shafts. The set includes two hubs, four 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).
These universal mounting hubs are designed to work with most 6 mm diameter shafts, including round shafts and “D” 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 four included M3 hex set screws (two 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.
The picture to the right shows a hub with Pololu’s 19:1 metal gearmotor 37Dx52L mm and a Pololu stamped aluminum L-bracket for 37D mm metal gearmotors. These hubs will work with any of our 37D mm metal gearmotors, and they also work with 80 mm and 90 mm Pololu wheels.
|
|
![]() |
Pololu Stamped Aluminum L-Bracket Pair for 37D mm Metal Gearmotors |
![]() |
Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack) |
![]() |
Machine Screw: M3, 8mm Length, Phillips (25-pack) |
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
A set of adapters (adapter) from the popular 4 mm to 12 mm motor shaft, wheel holders from RC models. Pololu 2684
These 17 mm long aluminum adapters convert a 3 mm diameter shaft to a 12 mm hex shaft that compatible with many common hobby RC wheels. The set includes two adapters, two M4 screws for securing wheels to the adapters, four M3 set screws for securing the adapters to motor shafts, and one 1.5 mm Allen wrench for use with the set screws.
No product available!
Pololu Universal Aluminum Mounting Hub for 3mm Shaft, M3 Holes (2-Pack)
Pololu Universal Aluminum Mounting Hub for 1/4â€l Shaft, M3 Holes (2-Pack)
No product available!
No product available!
Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack)
Pololu Universal Aluminum Mounting Hub for 1/4" Shaft, #4-40 Holes (2-Pack)
No product available!
Pololu Universal Aluminum Mounting Hub for 5mm Shaft Pair
A set of adapters (adapter) from the motor shaft 6 mm to 12 mm, wheel holders from RC models. Pololu 2687
This two-part aluminum assembly mounts directly to 6 mm diameter motor output shafts like those on our 37D mm gearmotors and allows you to drive most scooter, skateboard, inline skate, and other common wheels that are compatible with popular 608 ball bearings.
No product available!
Adapter that allows you to easily mount the wheels on a motor with a shaft diameter of 6 mm using screws size 4-40. The hub fits both round and D-shaped shafts. Pololu 1083
Adapter that allows you to easily mount the wheels on a motor with a shaft diameter of 3 mm using screws size 4-40. The hub fits both round and D-shaped shafts. Pololu 1078
These 20 mm long aluminum adapters convert a 6 mm diameter shaft to a 12 mm hex shaft that is compatible with many common hobby RC wheels. Pololu 2686
No product available!
Adapter that allows you to easily mount the wheels on a motor with a shaft diameter of 4 mm using screws size 4-40. The hub fits both round and D-shaped shafts. Pololu 1081
These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 8 mm diameter motor shafts. The set includes two hubs, four M3 set screws for securing the hubs to motor shafts, and one 1.5 mm Allen wrench for use with the set screws.
A two-piece aluminum adapter for transmitting wheel drive to motors with a 4mm diameter shaft. Mounting screws and set screws included. Pololu 2672
Pololu Universal Aluminum Mounting Hub for 6mm Shaft, M3 Holes (2-Pack)