Pololu Universal Aluminum Mounting Hub for 3mm Shaft, 2-56 Hole

Description

Universal aluminum hub designed to be used with most 3 mm motor shafts, including round shafts, "D" shafts and hexagonal shafts such as those of Tamiya. Each hub has four threaded holes for mounting wheels or mechanisms. A grain for each hub guarantees the coupling between shaft and hub. A 1.3 mm Allen key is required (included in product 8220-VTSCRSET10). The package includes: 2 hubs and 2 grains.