--- product_id: 595312987 title: "Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell" brand: "pengxiaomei" price: "€ 19.71" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.pt/products/595312987-pengxiaomei-400-pcs-threaded-inserts-for-plastic-m2-m2-5 store_origin: PT region: Portugal --- # Organized labeled storage 400 pcs multi-size kit Durable rust-proof brass Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell **Brand:** pengxiaomei **Price:** € 19.71 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your plastic projects with precision brass inserts — because your build deserves the best! ## Quick Answers - **What is this?** Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell by pengxiaomei - **How much does it cost?** € 19.71 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/595312987-pengxiaomei-400-pcs-threaded-inserts-for-plastic-m2-m2-5) ## Best For - pengxiaomei enthusiasts ## Why This Product - Trusted pengxiaomei brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-in-One Precision Kit:** 400 threaded inserts across 18 metric sizes (M2 to M6) for ultimate versatility. - • **Premium Brass Durability:** Crafted from sturdy, rust-resistant brass to ensure long-lasting performance. - • **Clutter-Free Organization:** Comes in a labeled, divided box with bubble wrap protection for easy access and storage. - • **Universal Plastic Compatibility:** Perfect for reinforcing 3D prints and assembling various plastic components seamlessly. - • **Effortless Heat-Set Installation:** Designed for quick ultrasonic or heat insertion with deep, secure threads. ## Overview This Pengxiaomei kit includes 400 brass threaded inserts in 18 metric sizes (M2 to M6), designed for heat-set installation into plastic parts. The rust-resistant brass ensures durability, while the labeled storage box keeps your workspace organized. Ideal for 3D printing reinforcement and automotive plastic assemblies, these inserts provide secure, long-lasting threaded connections. ## Description Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell ## Features - Package Included: These threaded inserts assortment kit is available in 18 sizes, including M2 M2.5 M3 M4 M5 M6 female knurled nuts in different size, 400pcs in total,And comes with a small tweezers. - Durable Brass Material: Knurled nuts with internal threads are made of sturdy brass, which are strong will not rust, they can be used for long time. - Divided Boxes with Labels: These brass threaded insert comes in a labeled divider box with all components clearly and orderly labeled on the inner and outer lids for easy storage and finding, avoiding parts clutter, And comes with bubble wrap to ensure the box won't break. - Easy to Use: This heat set insert tool can be installed into the tapered hole of the object through ultrasonic waves or heating. Due to the deep and neat threads, it is not easy to come off when rotating and used. It can be firmly fixed in the pressure component, and the operation is simple and quick. - Widely Application: Metric knurled nuts assortment kit can be embedded in a wide range of plastics, whether you're reinforcing 3D printed parts or assembling plastic components, this assortment gives you a wide variety of threaded inserts to choose from. Various sizes ensure compatibility with different bore and thread sizes, enabling a variety of applications. ## Product Details - **Material:** Brass - **Fastener Type:** Knurled - **Thread Size:** M2 M2.5 M3 M4 M5 M6 - **Exterior Finish:** 黄铜 - **Metal Type:** Brass ## Images ![Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell - Image 1](https://m.media-amazon.com/images/I/81cF+simQeL.jpg) ![Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell - Image 2](https://m.media-amazon.com/images/I/810WFyyPu+L.jpg) ![Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell - Image 3](https://m.media-amazon.com/images/I/71ZRDCdCX8L.jpg) ![Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell - Image 4](https://m.media-amazon.com/images/I/81bGAYAQAlL.jpg) ![Pengxiaomei 400 Pcs Threaded Inserts for Plastic M2 M2.5 M3 M4 M5 M6 Heat Set Insert Metric Knurled Nuts Inserts Brass Female Thread for 3D Printing Automotive Plastic Shell - Image 5](https://m.media-amazon.com/images/I/811-OJYP0PL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well just use the right tools *by D***N on June 15, 2025* A soldering iron tip is not enough, you need a proper insertion tool to keep it straight while pressing into plastic. If the iron is too hot it will float/drift so practice on scraps first. ### ⭐⭐⭐⭐⭐ Threaded Inserts: A Game-Changer for 3D Printed Projects *by R***B on January 20, 2025* I recently incorporated threaded inserts into my 3D printing workflow, and I'm impressed with the results. Previously, I struggled with the fragility of directly tapping threads into 3D printed parts, often leading to stripping or cracking.These heat-set inserts have completely transformed how I approach assembly. They provide reliable threads that can withstand repeated assembly and removal. The installation process is relatively straightforward, although some practice is required to achieve consistent results.Key Benefits:Increased Strength: Inserts significantly enhance the strength and durability of threaded connections in 3D printed parts.Reduced Risk of Damage: Eliminates the risk of stripping or cracking threads in the fragile 3D printed material.Versatility: Suitable for a wide range of 3D printing materials, including PLA, ABS, and even more demanding materials like nylon.Improved Aesthetics: Inserts provide a cleaner and more professional finish compared to directly tapped threads.Recommendations:Proper Selection: Choose the correct insert size and material for your specific application.Consistent Heating: Ensure even and controlled heating during installation to prevent damage to the part.Practice: Practice the installation process on scrap parts to develop the necessary technique.Overall:I highly recommend the use of threaded inserts for anyone serious about 3D printing. They offer a significant improvement in both the strength and reliability of threaded connections, making your projects more durable and professional.You will need the right tool to use them, but they are cheap and readily available. ### ⭐⭐⭐⭐⭐ Upgrade your 3D printed devices to the next level! *by T***L on January 18, 2025* Ever want upgrade your 3D printed devices to the next level? These can help immensely. Place you smooth end of the nut into your 3D printed screw hole. Set your soldering iron to 600 degF (315 degC) and gently push the nut into the plastic, making sure to keep your iron vertical. It will set within seconds. ## Frequently Bought Together - 400Pcs Threaded Inserts Heat Set Insert M2 M2.5 M3 M4 M5 M6 Metric Knurled Nuts Assortment Kit Brass Threaded Inserts for Plastic and 3D Printing Components - 2024 Pcs Metric Screw Assortment, Bolts and Nuts Assortment Metric Machine Screw Assortment M2 M3 M4 M5, 12.9 Alloy Steel Black Zinc Plated Hex Socket Head Screws Nuts Bolts and Washers Set - SHKI 20 Pcs 608 2RS Ball Bearings – Bearing Steel and Double Rubber Sealed Miniature Deep Groove Ball Bearings (8mm x 22mm x 7mm) (608 2RS) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/595312987-pengxiaomei-400-pcs-threaded-inserts-for-plastic-m2-m2-5](https://www.desertcart.pt/products/595312987-pengxiaomei-400-pcs-threaded-inserts-for-plastic-m2-m2-5) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-23*