






M2 M2.5 M3 M4 M5 M6 M8 Brass Hot Melt Insert Knurled Nut Thread Heat Molding Double Twill Injection Embedment Nut For 3D Printer
2.81$
1.31$
Quantity:
1
Availability:
Color
Size
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The picture is for reference only, there may be color difference, please refer to the actual product
If some specifications are not selectable, you can try clicking on other lengths.

ID:internal diameter
OD:external diameter






Brass hot melt insert nuts application presentation:


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Embedded heat melt nuts are commonly used in manufacturing and construction industries to create strong, reliable fastenings. These nuts are embedded into the material and secured by melting the surrounding material to hold them in place.
Here are the steps to use embedded heat melt nuts:
1, Choose the appropriate size and type of heat melt nut for your application. Make sure the nut is compatible with the material you are fastening it to.
2, Drill a hole in the material to the size of the heat melt nut.
Customer Reviews
2589 ratings
satisfactory quality (228)
fast delivery (132)
as described (114)
perfect (61)
well-made (55)
fast shipping (52)
Customer photos (30)
Buyer from United States
September 1, 2026
Variant: Color:Length 4mm 50pcs Size:M6(OD 8mm)
I lost my soldering iron so I used a hot glue gun and they heated up quick enough to go through PLA in less than 15 seconds.
Buyer from United States
July 29, 2026
Variant: Color:Length 4mm 50pcs Size:M6(OD 8mm)
came in fast and is as advertised
Buyer from United States
June 20, 2026
Variant: Color:Length 4mm 50pcs Size:M6(OD 8mm)
they worked great. The size advertised matched what I needed for a build.
Buyer from United States
May 16, 2026
Variant: Color:Length 4mm 50pcs Size:M6(OD 8mm)
These 4mm M6 brass heat-set inserts worked great for my homelab projects. The knurling grips really well in PETG and ABS, and once installed they feel solid and secure with no spinning or pull-out issues. I used them for mounting brackets, rack accessories, and custom 3D printed enclosures, and the threads stayed clean even after multiple assembly/disassembly cycles. Installation was straightforward with a soldering iron, and the brass quality seems consistent across the whole batch. The tolerances were accurate enough that every insert seated evenly without cracking prints or deforming parts. For anyone building durable 3D printed hardware for a homelab, networking setup, or electronics projects, these are definitely worth picking up.
K***n
May 3, 2026
Variant: Color:Length 4mm 50pcs Size:M3(OD 5mm)
great product. came back and bought more as I had run out. Will buy again packaging was done right. pressed right into my project.
S***n
April 12, 2026
Variant: Color:Length 4mm 50pcs Size:M3(OD4.2mm)
shipped fast and the threads are good. Thanks.
M2 M2.5 M3 M4 M5 M6 M8 Brass Hot Melt Insert Knurled Nut Thread Heat Molding Double Twill Injection Embedment Nut For 3D Printer
2.81$
1.31$
Quantity:
1
Availability:
Color
Size







