Octura large diameter 3/8" steel bullet nut for 3/16" (4.75mm) shaft with 10-32 thread. Stream line your drive system for maximum performance with this tapered bullet propeller nut. This is the large diameter nut for propellers with larger 3/8" hubs. These fit most 3/16" prop shafts that have 10-32 threads. For example, AeroMarine, Octura, Hughey, OSE, Speedmaster and many more of 3/16" Prop Shafts made in the USA.
Please double check the thread size of your shaft. In some cases manufacturers will use a US sized 3/16" shaft with 4mm Metric threads. For example, AquaCraft SuperVee, Ul1 and Revolt Contains bullet nut only (propeller & shaft not included).
