Propeller fitting
 

[&:]P

[&:] i have propeller of size 20*8 Inch of the brand master Screw but cannot fit this propeller on OS160AXmax.Although while fitting on the shaft of the engine it goes along the thread part of the shaft but at the end of threads it does not procees further.So a little bit different[:@]

RE: Propeller fitting
 

did you ream it?
if you did, run the reamer through again, to clean up the hole some more. sometimes these are tight.
Make sure you have the correct reamer for your engine. Tower hobbies and many others sell them