Pololu Universal Aluminum Mounting Hub for 3mm Shaft, #4-40 Holes (2-Pack)

Pololu Universal Aluminum Mounting Hub for 3mm Shaft, #4-40 Holes (2-Pack)
Pololu item #: 1078 958 in stock

Price break Unit price (US$)
1 5.95
10 5.25
100 4.46


backorders allowed

These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 3 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).

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

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File downloads

Pololu universal aluminum mounting hub for 3mm shaft, #4-40 holes mechanical drawing (34k pdf)
Printable mechanical drawing for the Pololu universal aluminum mounting hub for 3mm shaft, #4-40 holes.