M4 (4mm*5*5) Brass Threaded Inserts Nuts, Heat Set for 3D Prints


For 3D prints, create more convenient and professional parts that easily screw together, held by metal and not plastic.

Create a dimension-ally slightly smaller hole in your print that the size of the inserts (5mm (L) and 5.1mm (OD)) to allow the plastic to flow into the insert\’s fins when heated. Heat the insert with a soldering iron and firmly push into place while the plastic melts. The slight taper and small fins of the inserts produce an extremely strong bond when the plastic flows into them.

Rather than adjust designs around the limitations of 3D printing (supports, print bed size, etc), divide your parts into separate components that fasten using these inserts and machine screws. Not only does this give you greater flexibility when designing a part, but also allows you to re-print only failed components rather than full assemblies – saving time and money.
These are threaded M4
Length is 5mm while the Outer Diameter is 5.1mm

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