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🔧 Upgrade your 3D prints with pro-grade brass inserts—because your projects deserve the best!
This 400-piece kit of M2 to M6 brass threaded inserts offers high-precision, heat-resistant, and corrosion-proof fastening solutions tailored for plastic and 3D printed components. Featuring smooth ISO metric threads and 45° knurled surfaces, these inserts ensure superior torque resistance and durability across a wide range of thermoplastics, making them the go-to choice for engineers, makers, and tech professionals.








| ASIN | B0CLKDPN65 |
| Best Sellers Rank | #1,698 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Nut Inserts |
| Brand | Ktehloy |
| Color | golden |
| Compatible Groove Diameter | 2 Millimeters |
| Customer Reviews | 4.8 out of 5 stars 605 Reviews |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Fastener Type | Insert |
| Finish Types | Unfinished |
| Grade Rating | Industrial |
| Inside Thread Size | M2 M2.5 M3 M4 M5 M6 |
| Item Diameter | 2 Millimeters |
| Item Dimensions | 6.85 x 3.86 x 0.67 inches |
| Manufacturer | Ktehloy |
| Material | Brass |
| Material Type | Brass |
| Maximum Shear Strength | [HIGH] |
| Metal Type | Brass |
| Model | Threaded Inserts Kit (400Pcs) |
| Number Of Items | 400 |
| Number of Pieces | 400 |
| Part Number | ket-1 |
| Screw Head Style | Flat |
| Set Name | M2 M2.5 M3 M4 M5 M6 (400 Piece) |
| Size Name | M2 M2.5 M3 M4 M5 M6 |
| Thread Class | Fine |
| Thread Coverage | Fully Threaded |
| Thread Size | M2 M2.5 M3 M4 M5 M6 |
| Thread Style | Right Hand |
| Thread Type | Iso Metric |
| UPC | 726929215744 |
| Unit Count | 400.0 Count |
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