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PTFE tube gland guide for drybox and enclosure 3D Printer File Image 1
PTFE tube gland guide for drybox and enclosure 3D Printer File Image 2
PTFE tube gland guide for drybox and enclosure 3D Printer File Image 3
PTFE tube gland guide for drybox and enclosure 3D Printer File Image 4
PTFE tube gland guide for drybox and enclosure 3D Printer File Thumbnail 1
PTFE tube gland guide for drybox and enclosure 3D Printer File Thumbnail 2
PTFE tube gland guide for drybox and enclosure 3D Printer File Thumbnail 3
PTFE tube gland guide for drybox and enclosure 3D Printer File Thumbnail 4

PTFE tube gland guide for drybox and enclosure

David Clark avatarDavid Clark

January 16, 2026

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Description

Here is a little screw together grommet or gland for holding onto a PTFE tube as it passes out of a drybox or through an enclosure. This is sized for 4mm PTFE tube, and a 10mm hole in whatever surface it's passing through, the fit is loose through the fitting but when tightened will clamp the tube in place.
I'll provide a link to the onshape document if you want to resize it or change the tolerances of the holes etc. If you need something like that but can't do it yourself, let me know in a message and I will try to help you out.
Also included is a little nut tool that is handy for tightening "cable nuts" like this one kind of is. Link to that onshape doc also below.

Links:

PTFE gland: https://cad.onshape.com/documents/043e02e6920c5fa6d4b54308/w/e7dac68d76efc084c0220a85/e/43171d705cef69b3bbe94935?configuration=gland_diameter%3D0.02%2Bmeter%3Bgland_thickness%3D0.002%2Bmeter%3Bnozzle_height%3D0.005%2Bmeter%3Bnut_diameter%3D0.016%2Bmeter%3Bnut_height%3D0.005%2Bmeter%3Bptfe_squeeze%3D1.0E-4%2Bmeter%3Bthread_diamater%3D0.01%2Bmeter%3Bthread_length%3D0.02%2Bmeter&renderMode=0&uiState=69699a3a90cb737530646027

Nut tool: https://cad.onshape.com/documents/fd66dea805a1930f558d4d72/w/e4d165c9bb13648163794c0a/e/7a145ec922554df5d109beaa?configuration=nutA_depth%3D0.015%2Bmeter%3BnutB_depth%3D0.015%2Bmeter%3BnutB_diameter%3D0.02%2Bmeter%3Bnut_diameter%3D0.018000000000000002%2Bmeter%3Btool_length%3D0.04%2Bmeter%3Bwrench_diameter%3D0.03%2Bmeter&renderMode=0&uiState=69699aa5785c9cb01ab75190

Thanks!

License:

Creative Commons — Attribution — Noncommercial

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