The 1” Bore Aluminum Clamping Hub C is perfect for large applications that require 1” shafting or tubing and extreme holding power. This clamping hub has 4 equally spaced 1/4-20 tapped holes and 4 1/4” bore through holes for multiple mounting options. The side clamping machine screw is 1/4-20 and accepts a 3/16” hex key.

Hex Key Group 1.7

This hub uses a 3/16” Hex Key
(click here)

Hub Schematics HD1
1 in. Bore Aluminum Clamping Hub - Heavy Duty
1 in. Bore Aluminum Clamping Hub on Pulley

Heavy Duty Clamping Hub Shown with our 78 tooth Hub Pulley.

1.50 pattern

Utilizes a 1.50” hub pattern.

1 inch bore clamping hubs - size compare
1 inch bore clamping hubs - size compare with can

The 1” Bore HD clamp (right) is significantly larger and more robust than the standard 1” bore clamp (left).

Actobotics Logo - page


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Weight: 1.40 oz (each)

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1" Bore Clamping Hub C (545356)
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