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:
These universal mounting hubs are designed to work with most 4 mm diameter shafts, including round shafts, and “D” shafts. Each of the two included hubs has four mounting holes for M3 screws (not included), letting you mount custom wheels or mechanisms to your motors. The two included M3 hex set screws (one for each hub) allow secure coupling of shaft to hub, and a 1.5 mm hex wrench is included for use with the set screws. A dimension diagram of the hub is available under the resources tab.
The picture to the right shows a hub with Pololu’s 25:1 metal gearmotor 20Dx44L mm and a Pololu 20D mm metal gearmotor bracket. These hubs will work with any Pololu 20D mm metal gearmotor or 25D mm metal gearmotor, and they also work with 60 mm, 70 mm, 80 mm, and 90 mm Pololu wheels.
Fast Shipping & Professional Packing
We offer a broad range of shipping options owing to our long-running partnerships with UPS, FedEx and DHL. Our warehouse personnel are expertly trained and will wrap your items according to our exact and precise specifications. Your products will be subjected to an exhaustive examination before they will be properly packaged prior to being delivered. Everyday, we send to thousands of clients in multiple countries. This shows our commitment to be the largest online retailer in the world. We have distribution centers as well as warehouses in Europe as well as the USA.
Note: Orders that contain more than one product will be assigned a distinct processing time dependent on the particular item.
We will inspect each and every one of the products before they are shipped. The majority of orders are shipped within 48 hours. The delivery time will be between 3-7 working days.
Returns
The inventory is always changing, and not fully managed by us because of the involvement of many parties including the factory and our warehouse. The stock can change at any moment. Please be aware that it's possible for your order to be out of stock after you have made the order.
Our policy is valid for a period of 30 days. If 30 days have passed in the past since you purchased and we are unable to offer you a return or exchange.
To be eligible for a refund, your product must be unopened and in the same condition as you received it in. It must also be returned in its original packaging.
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