Hot take: The best thread is no thread.
Thanks to Sunlu for sponsoring a part of this video! Check out the Filadryer E2 at https://go.toms3d.org/sunluE2
Onshape file for the M3 tapless threads https://cad.onshape.com/documents/ad7619552b9fa83ea94a898f/w/360bcf64e5c7dbaf68a34c94/e/ef194ff7bc5465936e1298fb?renderMode=0&uiState=67818dde7c219f04b764bcd0
CNC Kitchen heat-set inserts https://cnckitchen.store/ (use code tom5 for 5% off!)
Self-tapping inserts on Amazon https://go.toms3d.org/selfsert
Read the article to this video here: https://toms3d.org/2025/01/14/a-better-way-to-add-threads-to-your-3d-prints/
Product links are affiliate links - I may earn a commission on qualifying purchases (at no extra cost to you)
Tools I use:
🔩 Onshape Cloud-native CAD (free for Makers) https://onshape.pro/ThomasSanladerer
🎵 Epidemic Sound for video music (30-day trial) https://share.epidemicsound.com/MadeWithLayers
📷 Camera gear and recording equipment (not free, unfortunately) https://toms3d.org/my-gear
🎧 Check out the Meltzone Podcast (with CNC Kitchen)! https://www.youtube.com/channel/UCzUgJrG-w_KQexroYkJR9XQ
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Timestamps
00:00 Intro
00:54 Sponsor: Sunlu FilaDryer E2
02:06 Straight holes
03:06 Coarse thread screws
03:39 Tapped holes
05:09 Self-forming threads
07:19 Metal threaded inserts
09:26 Slide-in nuts