MARS 40005 Universal Hex Hub 1/2" ID Shaft

MARS 40005 Universal Hex Hub Fan Blade Hub 1/2" Shaft Universal Hex Hubs MARS Universal Hex Hubs are designed to provide a firm mechanical fit with hex or round bore adapter fan blades. These hubs are machined steel, designed with tri-point mount for secure spider/hub connections. MARS Universal Hex Hubs include 2 set screws, for shaft fastening, offset at 90 degrees