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🔧 Upgrade your 3D prints with brass precision – because your creations deserve the best!
HANGLIFE M3 Heat Set Threaded Inserts are premium brass knurled nuts designed for effortless embedding into plastic and 3D printed parts. With a precise M3 internal thread, 5mm width, and 4mm length, these 100-piece inserts offer superior corrosion resistance, high torque stability, and broad compatibility with thermoplastics like PLA, PETG, and ABS. Ideal for professionals seeking durable, reliable fastening solutions that elevate the strength and finish of their 3D printing projects.






















| ASIN | B0CS6VZYL8 |
| Best Sellers Rank | 5,142 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 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 (1,071) |
| 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 |
| Unit Count | 100.0 count |
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