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Pololu Universal Aluminum Mounting Hub for 5mm Shaft, #4-40 Holes (2-Pack)

Pololu Universal Aluminum Mounting Hub for 5mm Shaft, #4-40 Holes (2-Pack)

Pimoroni

£5.75

Price read from Pimoroni on 2026-10-22. Check before buying.

These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 5 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 5 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 m

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Buy from PimoroniOut of stock. Price seen 2026-10-22. Not an affiliate link, we earn nothing from it.

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.