3-blade hub 12,0mm
Size: 16D Shaft-Diameter (Hub) or Prop-Diameter (Blade): 12.0 Millimeter Weight: 46.6 gramm All adjustable 16D hubs have an 12 mm clearance hole and can be easily mounted on a threaded shaft with M12 and a minimum lengh of 33 mm. If your motor shaft has a smaller thread, please order a Spinner-Nut with the same internal thread of your shaft. For a flat steel shaft you would need a Collet-Chuck, like Item-No. 1618 Content of one packet: One Precision hub, CNC-machined with integrated ground adjustable pitch gear. The hub comes with ball-screwdriver, measuring scale, pointer pin, mounting-screws, decals and english instructions.