Four DIN912 M2.5x75 screws are used on the printhead for your Ultimaker 3 series or Ultimaker S-Line machine. These screws are compatible with the following machines:
This is the print head assembly for the Ultimaker 3 and Ultimaker 3 Extended. It includes all pictured parts here, including the printhead cable, fans, and nozzle seal. If you're looking for spare nozzle seals for this printhead, they are...