Installation Note: When installing these just install them finger tight, do not use a wrench or over tighten as you can crack the fitting.
- Metal grip inside
- Allows for PTFE to pass through
- Holds on to tubing strong
- Commonly Used on Extruder side
- CR-10
- CR-10S
- Ender 2/3/4/5
- Alfawise U10
- And more (see below)
- If using these with a “MK8” style extruder with a gap between the feed gear and the PTFE tube you will need to close that gap or your PTFE fitting will be damaged.
- MK8 Printed Gap Closing Part: https://cults3d.com/en/3d-model/tool/mk7-mk8-extruder-filament-guide
Size – Check your existing fitting

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