Aokin 16 Pcs Extruder Nozzles 3D Printer Brass Nozzles for E3D V5 V6 0.2mm 0.3mm 0.4mm 0.5mm 0.6mm 0.8mm 1.0mm for 1.75mm Filament 3D Printer

I tried one of these on my Prussia MKS but did not get a smooth bead. Put the old nozzle back after cleaning with acetone and the extrusion was smooth. I don’t have the equipment to tell if the 4mm bore is smooth enough In this inexpensive nozzles but seems to work fine for others.

Decent quality for the money spent..

The nozzles appear to be of decent quality, no visible machining defects, and the interior bores appear smooth on inspection. I dont have a microscope to examine closely, but I had no issue pushing an appropriate feeler through the nozzle, and felt no binding or restrictions. I did not read closely the description, and honestly have no use for the larger 1.0mm nozzles, and will probably never use the 0.8mm nozzles due to limitations of my machine, but the rest are fine.

One of the nozzles in the pack was very clearly already used.

Works great. Have lots spare, and avoid the hassle of cleaning a blocked nozzle

They do just what theyre supposed to.

Cannot tell any print quality difference between these and my genuine e3d.

Trying to find nozzles to work with the JGAurora A5S printer without having to wait for them to arrive from China. Purchase these. Arrived in 3 days. They fit perfectly. No issues so far.

Worth the money

The best thing about them is that they are cheap! For a few paltry dollars, you can get get an entire set, nay, several sets, of nozzles for your E3D V6 compatible hotend. I have tried the 0.8mm nozzle thus far and it did require recallibration of my Prusa MK3S but turned out a decent print. I was curious as to how accurate the nozzle diameters were so I put them under a stereo microscope and took some pictures. I then used the 0.8mm nozzle diameter as reference to measure the rest of them. All were spot on except the 0.2mm one which varied in diameter between 0.16 and 0.20mm, but given that this is almost surely going to be unused by me, Im not sure I care. The insides dont have burrs but they are not super smooth either: you can see the grinding pattern in the attached picture. Worth a buy? Yes, especially given that a single 0.4mm E3D nozzle sells for $25 on this site (dont know why!).