Clamping Tube Hub allows you to attach gears and sprockets to our 5/8” Hollow Tubes.


Our new Clamping Tube Hubs offer a great way to attach our gears, sprockets, wheels or other items to our hollow 5/8” aluminum tubes. A perfect way to build a rotating table with the wires running up the middle of the shaft. Four (4) equally spaced 5-40 tapped holes are consistent with all of our other items that have the same mating pattern. Precision machined from 6061-T6 aluminum. these clamping hubs offer several advantages over set screw hubs. First, they do not damage the shaft which they are attached. Second, they offer more holding power in high torque applications. The side clamping machine screw is 5-40 and accepts a 3/32” hex key.
These hubs use a 3/32” Hex Key
(click here)



6-32 Pan Head Screws
(click here)

6-32 Socket Head Screws
(click here)

6-32 Truss Head Screws
(click here)
6-32 Flat Head Screws
(click here)


0.770” Tube Clamp Hardware
Our brand new Clamping Tube Hubs offer a great way to attach gears, sprockets, wheels or other items to hollow 5/8” aluminum tubes & 1/2” aluminum tubes. The tube clamp has four (4) equally spaced 6-32 tapped holes. Precision machined from 6061-T6 aluminum. these clamping hubs offer several advantages over set screw hubs. First, they do not damage the shaft which they are attached. Second, they offer more holding power in high torque applications. The side clamping machine screw is 6-32 and accepts a 7/64” hex key. These clamping hubs work with our new ServoBlocks Kits.
NOTE: As of this time, the 0.770” Tube Clamping Hubs are not compatible with our gears, sprockets, wheels, etc.
If you are looking for a Tube Clamping Hub that will attach to an item previously purchased from ServoCity you will most likely require the 0.625” Hub listed above. If you are unsure which hub to purchase, please e-mail tech@servocity.com or call 620-221-0123 before completing your order. Thank you.
0.770” Aluminum Tube Clamping Hubs
These hubs use a 7/64” Hex Key
(click here)
0.625” Aluminum Tube Clamping Hubs
These hubs utilize a
0.625” hub pattern.
Click here for more information.
These hubs utilize a
0.770” hub pattern.
Click here for more information.
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