External Thread does not showing..only stripes are showing..

So i want to make a external thread on a cylinder for like 6 hours today and i cannot really find a fix for the problem...There is what i mean 05f2ab43cf544565b47b76015e430509.png
There is how it looks before Cut-Speep.Right what i want it to look like,but look what it looks like after i apply the Cut-Sweep feature...3c98114f35dc43399bafb6c4fde4e84b.png

Nothing near normal thread.Please if somebody know where is the problem help me.Thanks !

SolidworksParts And Features