0.4MM MK8 Ender 3 Nozzles 25 pcs 3D Printer Brass Nozzles Extruder for Makerbot Creality CR-10 with 5 Needles and Metal Storage Box (0.4mm)

A mis-adjustment led to a nice scratch on the print bed, and complete marring of the flow path for filament, so I ordered a bunch of these expecting to make more mistakes. Quick to replace and did the job well. I still have 24 left, thought, so YMMV may vary on how much of these you actually need. But the price was right.

They worked well.

Pretty much the exact review I left for another size nozzle I reviewed 0.6mm. But these are 0.4mm and a larger quantity. They seem good quality and the actual nozzle itself is symmetrical. I have a video microscope at work and checked out all of these. They are all consistent which is a good thing. I have not tried these yet but if you can look close as I did with the microscope you will see that they have some left over residue on the insides. However you decide to use these I would recommend cleaning them first. Cold pull or as I am going to do is I have some left over brake cleaner and canned air from another project. Ill spray them first and then blow out with air. After I recheck them if there is still any leftovers material I will perform a cold pull. Check the manufacture or forum for your particular printer to see how this is done. Its pretty basic though. Heat up the nozzle with PLA filament to about 215°C, push some through then turn off or adjust the nozzle temp to where it will solidify and "stick" to the left over material and pull it back out of the nozzle. You might have to do this a couple of times but do it until it is clear. You can also do this between filament color changes to help remove and clean the nozzle for the next batch. Also these nozzles are not meant to last forever and depending on your usage should be replace occasionally, me I print daily so on average about every three months. Overall I like the shapes of these and with some initial cleaning I expect these to work. Ill update my review later if I have issues.

I am no stranger to printing i use it for work, home fixes, gifts etc good nozzles are a plethora on Amazon one thing I noticed that occurred only with this nozzle brand is the filament gets stuck in the cooling block seemed like a normal clog wont go in wont go out but weirdly enough after removing the nozzle let it drop right out. One would assume oh just a clogged nozzle yet the nozzle wasn't clogged could it have been moisture and melting expansion? Sure but why haven't other nozzle brands done this to my printer idrk but just something to keep in mind. To avoid this I've found if im constantly printing its fine leave the filament in the hotend for a few days and guaranteed it'll be clogging in half an hour so now if I dont have projects lined up I have to pull it back out of the block with this nozzle doesnt make much sense since my printers and filament moisture controlled cabinets but thats what I got. The cleaning rods are standard nozzle count is a lot which is nice

It's honestly the best value for printer heads. They fit fine, pretty easy to install. The quality is just like any other brass printer nozzles I've ever used. Never noticed any speed issues but I really like how you get so many for such little value. Whenever one gets clogged you can use the included cleaners too so that's cool. I've stripped a couple here and there just being clumsy, not a big deal though just replace it.

I absolutely love these nozzles. I recently had a friend recommend some high dollar hardened steel nozzles. 2 x 0.4 nozzles for $30. And I absolutely hated them. They clogged constantly and the print quality was unpredictable at best. I threw them away and went back to these brass nozzles. These nozzles do wear down quickly with any kind of abrasive filament. But that's to be expected with any brass nozzle. However, the print quality is good enough and they're cheap enough that you can throw them away after a few weeks of use. That's the best thing about these. They're inexpensive and out of probably 50 nozzles I have used I only had one that had a defect that affected printing. If you want a cheap brass nozzle that prints great and you won't feel bad about throwing away if it starts to wear, get these. I always have at least a dozen of these on hand. As a matter of fact, the friend that recommended the expensive nozzles I spoke of earlier ran out and needed a nozzle. I gave him a couple of these and now he won't use anything else.

Bought this for my MakerBot Replicator Z18 Smart Extruder+. My nozzle was very used, clogged, and I refuse to purchase a brand new $250 extruder. I bought these super cheap ones and they fit and print very well! I did not adjust the bed or anything after installation. These should work for all Makerbot Replicator extruders. Super good price for what you get. TBH, 25 nozzles is too much, LOL!

Awesome product