Metal Threads in 3D Printed Parts

When threading 3d printed parts you can run into issues such as parts breaking or warping.  To avoid this and add some extra strength to the holes you can insert metal threads into the parts.

When inserting metal threads into FDM use Heat Set Inserts. This will allow the metal thread to melt into the part.

Heat sink  Photo 1 in FDM


For PolyJet parts use Press-Fit Expansion inserts for plastics. PolyJet material does not melt as easy as FDM.

  Press fits  Photo 2 in poly

 See it done, watch the video!

The video was produced by CAPINC, a Stratasys reseller in New England.


Dave Murawski

Computer Aided Technology

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