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Pololu Universal Aluminum Mounting Hub for 1/4″ (6.35mm) Shaft, #4-40 Holes (2-Pack)

Pololu item #: 1993
Brand: Pololu	supply outlook

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Price break	Unit price (US$)
1	12.95
5	11.91
25	10.96

Quantity:
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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 #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 six 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:

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

Compare all products in Pololu Universal Mounting Hubs.

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Dimensions

Size:	25.4 mm diameter × 9.2 mm thick
Weight:	6.7 g¹
Shaft diameter:	0.250 in
Mounting hole size:	#4-40²

Notes:

1: For a single hub only (without set screws).
2: This is also the size of the set screws.

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