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๐ง Upgrade your 3D prints with brass precisionโbecause your projects deserve the best!
This 400-piece metric brass threaded insert kit offers M2 to M6 sizes designed for heat-setting into plastics and 3D printed components. Crafted from high-quality brass, these inserts resist corrosion and withstand temperatures over 300ยฐC, ensuring durable, reliable fastening. Featuring precision knurled threading for enhanced torque resistance, they install easily via heat or ultrasonic methods and are compatible with a wide range of thermoplastics, making them an essential toolkit upgrade for professional makers and engineers.























| ASIN | B0CLKDPN65 |
| Best Sellers Rank | #16,398 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #24 in Hardware Nuts |
| Brand | Ktehloy |
| Colour | golden |
| Compatible Groove Diameter | 2 Millimeters |
| Customer Reviews | 4.8 out of 5 stars 602 Reviews |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Fastener Type | Insert , Knurled |
| Finish Types | Unfinished |
| Grade Rating | industrial |
| Inside Thread Size | M2, M2.5, M3, M4, M5, M6 |
| Item Diameter | 2 Millimetres |
| Item Dimensions | 17.4 x 9.8 x 1.7 Centimeters |
| 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 | Metric Threaded Inserts Assortment Kit |
| Size Name | M2 M2.5 M3 M4 M5 M6 |
| Thread Class | Coarse |
| 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 |
E**8
Perfect 3M inserts for plastic or wood.
These were the perfect M3 threaded inserts for the printed parts I made for my 3D printer, Over time threads in Plastic will fail. I don't see these ever failing from use.
N**.
Great inserts. Smooth threads.
M4 seems to be my go to size when I'm using threaded inserts. This pack was a great replacement for the lack of M4s on my workbench. I used them to finish a recent project of attaching a foot to a base for my leg lamp. It worked wonderfully and the price per piece was a nice value. Easy to install and very smooth threads.
C**L
Great little kit
Very nice set. Worked well.
T**R
Tricked out by Ralph
Perfect assortment for a variety of small to larger machined mm hex, flat head screws. Perfect for Hobbiest working with plastic and 3D products. Great price, fast shipping.
A**R
Awesome inserts
The sizing is accurate, all are machined properly, and they go in and more importantly stay in. Threading is smooth and the small lip at the bottom does a great job at holding it in place when setting them. Will definitely buy these again when I need more.
Trustpilot
3 weeks ago
2 weeks ago