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🔧 Upgrade your 3D prints with brass precision – because your creations deserve the best!
HANGLIFE Threaded Inserts are M3 brass knurled nuts designed for heat-set installation into plastic and 3D printed parts. Offering superior corrosion resistance and high torque stability, these inserts ensure durable, professional-grade fastening across a wide range of thermoplastics. The 100-piece set is ideal for makers and engineers seeking reliable, easy-to-install hardware that elevates the strength and longevity of their projects.






















| Asin | B0CS6VZYL8 |
| Best Sellers Rank | 7,376 in DIY & Tools (See Top 100 in DIY & Tools) 2 in Nut Inserts |
| Brand Name | Hanglife |
| Colour | M3 x D5 x L4(100pcs) |
| Compatible Groove Diameter | 3 Millimeters |
| Country Of Origin | China |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,210) 4.8 out of 5 stars |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Fastener Type | Insert |
| Finish Types | Brass |
| Inside Thread Size | M3 |
| Item Diameter | 0.3 Centimetres |
| Item Dimensions | 3 x 3 x 3 millimetres |
| Manufacturer | Hanglife Group |
| Manufacturer Part Number | HLTI-SET-001 |
| Material Type | Brass |
| Metal | Brass |
| Number Of Items | 1 |
| Number Of Pieces | 100 |
| Set Name | Brass M3 Knurled Nut Set (100 Pieces, M3 x 5mm x 4mm) |
| Size | M3 x 5mm x 4mm |
| Thread Class | Standard |
| Thread Coverage | Fully Threaded |
| Thread Size | M3 |
| Thread Style | Right Hand |
| Thread Type | ISO Metric |
User
A must have for 3D printing
Does what I need it too when I custom make things on my 3d printer and need two parts connected great quality and good value for money !
User
If you like threaded inserts you’re in for a treat
They’re threaded, they’re inserts, they’re brass and they’re fabulous!
User
Decent quality
Very good product, I get through a fair few of these in my 3d prints, these are as good as any others, they set in well and stay in well, the threads are nice and clean and accept the m3 bolts easily.
User
Surprisingly effective
A little bit of practice is useful to start with, making different-sized holes to see what works best for you, and to get a good temperature and technique for inserting. After that, these are very effective at holding screws to join printed parts together.
User
Good quality inserts
I've found myself buying this brand in particular. They are good quality. I have bought large quantities from CNC Kitchen, but sometimes I've needed sizes I didn't have, in a hurry, so I end up in here - choose these every time. I don't put them in hot as I don't personally think that's a good idea. I fit mine using a toggle press and add they go in, you can see them rotating and effectively cutting themselves into the material. A royal pita to get out of something is wrong, so I know they work!
User
Functional
Work well enough, does what they say it does well.
User
It fits 😉
Perfect
User
Perfect selection of threaded inserts
Bought these to get a selection of threaded inserts without having to by a number of bagsReally pleased with the quality and hold once installedGood box for storage
User
Top Ergänzung für 3D-Drucker und CNC-Projekte – sehr zuverlässig
Die Gewindeeinsätze sind eine super Ergänzung für alle, die viel mit 3D-Druck oder Kunststoffteilen arbeiten. Die Messing-Einsätze lassen sich sehr sauber einsetzen und bilden stabile, langlebige Gewinde, die auch häufiges Ein- und Ausschrauben ohne Probleme mitmachen.Die Qualität der Messing-Gewindehülsen ist wirklich gut – sie sitzen fest, drehen sich nicht mit und halten perfekt in PLA, ABS oder anderen thermoplastischen Materialien. Die Lieferung im 50er-Pack ist ideal, wenn man oft Ersatzteile, Prototypen oder funktionale Komponenten herstellt.👍 Vorteile:• Einfaches Einpressen / Einschmelzen• Saubere Gewinde mit guter Festigkeit• Viel Zubehör für wiederholte Nutzung• Gute Preis-LeistungEin super Produkt für Hobby-Bastler und professionelle Nutzer gleichermaßen. Klare Empfehlung!
User
M4 ‘metal insert
In order!
User
super
all good
User
Buena calidad precio
Insertos roscados de muy buena calidad. Ya los he comprado varias veces en distintas medidas para diferentes proyectos de impresión 3D.
User
Perfect
Worked perfectly
Trustpilot
1 month ago
2 weeks ago