All of our Power Servo Gearbox arms are made from high strength 1/4” ABS plastic. They will bolt directly to the aluminum hub on the Servo Power Gearboxes. We recommend purchasing at least (4) 5-40x3/8” machine screws below. The end hole on the arms is 1/8” diameter but can easily be drilled out larger for various applications and linkages.

These arms bolt directly to the hub on the Servo Power Gearboxes using 5-40 machine screws.

5-40 Thread Zinc-Plated

Double Arms

Single Arms

Round Arms

90 Degree Aluminum Plate

These arms and aluminum plate utilize a
0.625” hub pattern.
Click here for more information.

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