The extruder upgrade works great on the CR-6 SE and is well worth it. I wore out a brass gear in a standard extruder and it was a huge pain to take the standard extruder apart for maintenance. It's also difficult to assemble and is made of cheap plastic. The included M3 x 18 SHCS screw is a bit short, but the standard CR-6 SE extruder has a longer M3 x 18 SHCS screw that can be cut. have a screw of the correct length. The M3 X 18 SHCS bolt in the kit worked for me, but I was careful not to over tighten it. The seller in the Q&A says it won't fit the CR-6 SE for some reason. This update works fine.
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