POLOLU UNIVERSAL ALUMINUM MOUNTING HUB FOR 3MM SHAFT #4-40 HOLES
POLOLU UNIVERSAL ALUMINUM MOUNTING HUB FOR 3MM SHAFT #4-40 HOLES
These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 3 mm diameter motor shafts. The set includes two hubs, two #4-40 set screws for securing the hubs to motor shafts, and one 0.05″ Allen wrench for use with the set screws. Each hub has four threaded mounting holes for #4-40 screws (not included).
Dimensions
Size: 17.5 mm diameter × 5 mm thick
Weight: 2.8 g
Shaft diameter: 3 mm
Mounting hole size: #4-40
Tags: POLOLU UNIVERSAL ALUMINUM MOUNTING HUB FOR 3MM SHAFT #4-40 HOLES