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Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack)

Pololu item #: 1997
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant


Price break Unit price (US$)
1 8.49
5 7.81
25 7.19


backorders allowed

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 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).

We have an assortment of universal mounting hubs available, spanning several shaft sizes and featuring mounting holes threaded for metric or imperial screws:

Alternatives available with variations in these parameter(s): shaft diameter mounting hole size Select variant…

 Description Specs (4) Pictures (3) Resources (2) FAQs (0) On the blog (0) 

Pololu 20D mm gearmotor with bracket and hub.

Pololu 60×8mm wheel on a Pololu 25D mm metal gearmotor.

White Pololu Wheel 60×8mm on a Pololu 20D mm Metal Gearmotor.


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Related Categories

Pololu Universal Mounting Hubs
4mm Shaft Gearmotors
Pololu Wheels and Tracks
Nuts and Screws
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