Important: in the sketch and in the .stl file, is no thread inside.
the thread i can add if someone needs that.
I made myself a 0,3mm Nozzle for my K8200 or 3drag 3D-Printer
it works pretty well and IÃÂ´ll upload some things i made later.
Tools You need to make one yourself:
fist of all you need a lathe!
Drills: 0,3mm / 3,2mm / 5,3mm
Thread is a Metric - M6 x 0,75mm
and you need a piece of brass with 15mm in diameter and 50 mm lenght to hold it in the lathe.
if u follow my sketch it gets almost the same form as the original nozzle.
or maybe u know a company that can print metal but it needs to be very accurate!