M3 Nylon Nut (4 Pack)

This mounting hub has a center diameter of 4mm and can be used to attach wheels and other mechanisms. The mounting hub can be securely tighten onto any 3mm shaft using the set screw. There are 4 separate mounting holes on the hub each with M3 threading.

This mounting hub has a center diameter of 1/4″ and can be used to attach wheels and other mechanisms. The mounting hub can be securely tighten onto any 3mm shaft using the set screw. There are 4 separate mounting holes on the hub each with M3 threading.