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Heat Insert Nut Iron Tip M2 M3 M4 M5 M6 M8 Brass Thread Embedded Kit Heat Insertion Tool for Plastic 3D Printer Soldering Iron
Note:
1 box=7 pcs parts
1. Name: hot melt nut indenter
2. Scope of application: interchangeable with standard 936 general-purpose soldering iron tips, used for M2 (M2.5 shared), M3, M4, M5, M6 (1/4"), M8 and other hot-melt nuts or inserts, often used in 3D Printer prints hot-melt copper nuts or implants nuts on plastic.
3. Processing technology and color: CNC fine car
4. Material: Brass
5. Features:
1) A variety of connectors, which can realize the embedding of various M2 (M2.5 common), M3, M4, M5, M6 (1/4"), M8 hot melt nuts
2) Compatible with standard 936 universal soldering iron tip, convenient and practical
3) Female-female head design, hand-twist knurled joints, you can disassemble the head joints at any time in the cooling state to replace different types of threaded indenters
4) Brass material, good heat conduction, end-face contact, prevents the nut from skewing, and is convenient and quick to embed the nut into the plastic part
5) Compared with other similar indenters, our indenter is embedded in a small distance after being pressed to avoid the plastic parts, and the head is not easy to damage the plastic parts, and can be inserted into the interior of the plastic parts to a certain depth










Customer Reviews
605 ratings
as described (34)
good quality (32)
fast delivery (25)
works well (19)
ok (18)
perfect (17)
Customer photos (30)
Buyer from United States
May 8, 2026
You can press heat inserts into your 3D prints with a regular soldering iron tip, but this tool makes it MUCH easier and better. It perfectly fits my old Hakko 936 soldering iron, and my two generic soldering stations that use standard Hakko tips. I do not have a Weller or Goot soldering iron, so I don't know if it will fit them or not. It's 100% brass so it transfers heat very well, and makes it super simple and easy to press in your heat inserts straight and flush.
Buyer from United States
April 26, 2026
these seem like they're very good quality. haven't tried yet though.
Buyer from United States
April 16, 2026
works like it should. takes a chunk of time to arrive but thats normal.
Buyer from United States
April 9, 2026
très bien mais attention, le bout qui va sur le fer à souder a un très petit diamètre, ne convient pas à tous les fers à souder. bien vérifier avant achat
M***e
February 19, 2026
Handy tool which fit perfect to a 4mm soldering iron. Small packaging to fit any tool box or soldering iron box. Shipping was fast. I would buy again and recommend this tool. Especially for 3d printing models.
Buyer from United States
February 8, 2026
Super
Heat Insert Nut Iron Tip M2 M3 M4 M5 M6 M8 Brass Thread Embedded Kit Heat Insertion Tool for Plastic 3D Printer Soldering Iron
Quantity:
1
Availability:







