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Pololu Universal Aluminium Mounting Kit for 4mm shaft, M3 holes (pack of 2) Mounting hubs for D shafts

Item number: PO-1997

These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 4mm diameter motor shafts.

Category: Other


12,99 €

including 16% VAT. , plus shipping (Standard)

Available now!

Shipping time: 2 - 3 workdays



These universal mounting hubs are designed for most 4mm diameter shafts, including round shafts and "D" shafts. Each of the two hubs supplied has four M3 screws mounting holes (not included) so you can mount custom or mechanical components on your motors. The two supplied M3 hexagon head screws (one for each hub) allow a secure connection between shaft and hub, and a 1.5 mm Allen key is included for use with the set screws. A scale diagram of the stroke is available on the Resources tab. The picture on the right shows a hub with the Pololu 20Dx44L mm 25:1 metal geared motor and Pololu 20D mm metal geared motor bracket. These hubs work with any Pololu 20D mm metal geared motor or 25D mm metal geared motor, and they also work with 60 mm, 70 mm, 80 mm and 90 mm Pololu motors (except for the multi-stroke versions; see compatibility details on each wheel side).


Shipping weight: 0,01 Kg