120Pcs M3 Threaded Inserts, Metric knurled Nuts Brass Heat Set Insert for Plastic Parts,Insert by Heat into 3D Printing Components(M3x4x5mm)
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- 【Package Content】- The package includes 120 high-quality metric threaded inserts for plastic heat-setting. With a large quantity available, it meets the needs for connecting numerous 3D printing accessories. The threaded brass inserts are approximately sized at M3x4x5mm / M3x0.16x0.2 inches. Please ensure the nut's size matches your plastic parts effectively.
- 【High-Quality Threaded Inserts】- Crafted from top-tier brass materials, these threaded inserts boast outstanding thermal conductivity, corrosion resistance, and durability. They exhibit remarkable resistance against breakage and deformation. Withstanding temperatures exceeding 300°C / 572°F, they easily endure the harsh heat generated during plastic thermal shaping processes.
- 【Precision Craftsmanship】- High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The 45-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient.
- 【Easy to Use】- Brass threaded inserts can be installed into components of a 3D printer through heating or ultrasonic methods, or molded during the injection process. They are also suitable for circuit board assembly and the electronics field. With a common soldering iron, you can easily place them into the holes of 3D prints.
- 【Wide Application】 - These inserts are designed for use with all thermoplastics, including materials like PLA, PETG, ABS, PPS, PP, and others. Whether installing them in 3D printed objects, injection-molded plastic parts, automotive plastic casings, or laptop shells, these inserts offer reliable and durable solutions.
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Select a product to estimate shipping.Looking for a reliable way to securely attach components to your 3D printed plastic parts? Ktehloy’s M3 Threaded Inserts offer a robust and precise solution for a variety of applications.
Key Highlights
- High Quantity: Includes 120 inserts, providing ample supply for numerous projects.
- Heat Resistant: Constructed from brass, these inserts can withstand temperatures up to 300°C (572°F), ideal for thermal shaping processes.
- Durable Material: Made from high-quality brass, offering excellent corrosion resistance and preventing breakage or deformation.
- Precise Threading: Features clear, high-precision threading to ensure a secure and stable connection, minimizing thread slippage.
- Fits M3 Nuts: Designed to work seamlessly with M3 size nuts and plastic parts.
Useful Facts
- Material: Brass
- Thread Size: M3x4x5mm
- Dimensions: Approximately 2.87 x 2.55 x 0.62 inches
- Weight: 1.76 ounces
Good Fit For
- 3D Printing Projects
- Plastic Part Assembly
- Industrial Components
- Prototyping
Product details

| Main Specification | |
|---|---|
| Manufacturer | Ktehloy |
| Unit Count | 120 Count |
| Exterior Finish | Brass |
| Metal Type | Brass |
| Thread Coverage | Fully Threaded |
| Outside Diameter | 4 millimeters |
| Brand | Ktehloy |
| UPC | 726929215737 |
| Number of Items | 120 |
| Fastener Type | Insert |
| Item Diameter | 3 Millimeters |
| Number of Pieces | 120 |
| Thread Size | M3x4x5 |
| Material | Brass |
| Colour | Gold |
| Thread Type | Iso Metric |
| Item Weight | 1.76 ounces |
| Product information | |
| Number of Packs | 1 |
| Set Name | M3 Threaded Inserts for Plastic Parts (120 Piece Set) |
| Technical Details | |
| Part Number | M3xL4xD5 |
| Model | M3xL4xD5 |
| Inside Thread Size | M3 |
| Material Type | Brass |
| Thread Style | Left Hand |
| Thread Class | Fine |
| Compatible groove diameter | 3 Millimeters |
| Maximum Shear Strength | [High] |
| Style | |
| Finish Types | Unfinished |
| Measurements | |
| Item Dimensions | 2.87 x 2.55 x 0.62 inches |
| Others | |
| Product Type | Nut Inserts |
| Grade Rating | Industrial |
| Size Name | M3*4*5 |
| Screw Head Style | Flat |
| Drive Style | Spline |

















