Pololu Universal Aluminum Mounting Hub for 1/4″ (6.35mm) Shaft, M3 Holes (2-Pack)

Pololu item #: 1994
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 9.95
5 9.15
25 8.42


backorders allowed

These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 1/4 inch (6.35 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 six 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 (2) Resources (2) FAQs (0) On the blog (2) 

A pair of Pololu universal aluminum mounting hubs for 1/4 inch diameter shafts.

1/4″ Pololu universal aluminum mounting hub on a NEMA 23 stepper motor with 1/4″-diameter output shaft.


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Pololu Universal Aluminum Mounting Hub for 1/4″ (6.35mm) Shaft, #4-40 Holes (2-Pack)
Pololu Aluminum Scooter Wheel Adapter for 1/4″ Shaft
Hex (Allen) Wrench 0.05"

Related Categories

Pololu Universal Mounting Hubs
NEMA 23 Stepper Motors
Pololu Wheels and Tracks
Nuts and Screws
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