--- product_id: 618013646 title: "HANGLIFE Threaded Inserts for Plastic, M3 Heat Set Insert for 3D Printing Components and Plastic Parts - Brass Metric Knurled Nuts (100 Pieces)" brand: "hanglife" price: "€ 23.25" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.be/products/618013646-hanglife-threaded-inserts-for-plastic-m3-heat-set-insert-3d store_origin: BE region: Belgium --- # Heat-set installation ease M3 internal thread precision Brass corrosion resistance HANGLIFE Threaded Inserts for Plastic, M3 Heat Set Insert for 3D Printing Components and Plastic Parts - Brass Metric Knurled Nuts (100 Pieces) **Brand:** hanglife **Price:** € 23.25 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your 3D prints with brass precision – because your creations deserve the best! ## Quick Answers - **What is this?** HANGLIFE Threaded Inserts for Plastic, M3 Heat Set Insert for 3D Printing Components and Plastic Parts - Brass Metric Knurled Nuts (100 Pieces) by hanglife - **How much does it cost?** € 23.25 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/618013646-hanglife-threaded-inserts-for-plastic-m3-heat-set-insert-3d) ## Best For - hanglife enthusiasts ## Why This Product - Trusted hanglife brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless 3D Integration:** Retrofit your 3D prints with precision M3 inserts for a flawless fit every time. - • **Premium Brass Durability:** Crafted from high-quality brass to resist corrosion and deformation under stress. - • **Effortless Heat-Set Application:** Embed with heat or ultrasound for a secure, torque-resistant hold that won’t pull out. - • **Universal Plastic Compatibility:** Works flawlessly with PLA, PETG, ABS, and more—perfect for all your thermoplastic projects. - • **Bulk Pack for Pro-Level Projects:** 100-piece set ensures you’re always ready to upgrade your builds without running out. ## Overview HANGLIFE Threaded Inserts are M3 brass knurled nuts designed for heat-set installation into plastic and 3D printed parts. Offering superior corrosion resistance and high torque stability, these inserts ensure durable, professional-grade fastening across a wide range of thermoplastics. The 100-piece set is ideal for makers and engineers seeking reliable, easy-to-install hardware that elevates the strength and longevity of their projects. ## Description SOLID EVERY STEP Here at HANGLIFE, we're not just selling you 3D accessories – we're promising you a stress-free and enjoyable ride. We get that your time and effort are precious, so our tools are designed to make your creative endeavors easier, not more complicated. SOLID EVERY STEP is more than a catchy phrase; it's our way of ensuring that every time you use our products, your craft gets a boost. ## Features - Perfect Fit for Your 3D Printed Parts: Retrofit your 3D printed components seamlessly with our threaded inserts, effortlessly embedded using heat or ultrasound into blind- or through-holes. Providing a reliable and secure method for fastening components in 3D printing projects. Elevate the strength and functionality of your creations with ease. - Secure Hold with Simple Application: The opposite spiral-shaped knurled nuts provide a balanced high tightening torque, ensuring a stable connection. Our heat set inserts offer seamless installation onto plastic components, resisting torque and preventing pull-out. - Durable and Corrosion-Resistant: Crafted from high-quality brass, our threaded inserts provide optimal corrosion resistance and thermal conductivity. Exceptional durability and high resistance to breaking or deformation make them a reliable choice for various applications. - Versatile Compatibility with Plastics: Designed for all thermoplastics, including PLA, PETG, ABS, PPS, PP, and more, these inserts find applications in 3D printers, electrical molding machines, automotive plastic shells, and laptop molds. Their versatility ensures compatibility across a wide range of materials. - Practical Thread Insert Set: This M3x5x4 set includes 100 insert nuts with M3 internal thread, 5mm width, and 4.0mm length. Explore various dimensions of heat-set inserts at HANGLIFE to find the perfect fit for your specific needs. Drop down the variations to discover more choices. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CS6VZYL8 | | Best Sellers Rank | 7,376 in DIY & Tools (See Top 100 in DIY & Tools) 2 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 (1,210) 4.8 out of 5 stars | | 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 | ## Product Details - **Brand:** Hanglife - **Colour:** M3 x D5 x L4(100pcs) - **Exterior finish:** Brass - **Fastener type:** Insert - **Finish type:** Brass - **Item dimensions L x W x H:** 3 x 3 x 3 millimetres - **Material:** Brass - **Metal type:** Brass - **Thread size:** M3 - **Thread type:** ISO Metric ## Images ![HANGLIFE Threaded Inserts for Plastic, M3 Heat Set Insert for 3D Printing Components and Plastic Parts - Brass Metric Knurled Nuts (100 Pieces) - Image 1](https://m.media-amazon.com/images/I/719dwHWdTxL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ A must have for 3D printing *by on Reviewed in the United Kingdom 17 February 2026* Does what I need it too when I custom make things on my 3d printer and need two parts connected great quality and good value for money ! ### ⭐⭐⭐⭐⭐ If you like threaded inserts you’re in for a treat *by on Reviewed in the United Kingdom 29 July 2026* They’re threaded, they’re inserts, they’re brass and they’re fabulous! ### ⭐⭐⭐⭐⭐ Decent quality *by on Reviewed in the United Kingdom 10 September 2025* Very good product, I get through a fair few of these in my 3d prints, these are as good as any others, they set in well and stay in well, the threads are nice and clean and accept the m3 bolts easily. ## Frequently Bought Together - HANGLIFE Heat-Set Threaded Inserts, M3 Heat Set Insert for 3D Printing Components and Plastic Parts - Brass Metric Knurled Nuts (100 Pieces) - Heat-Set Insert Tips for Threaded Inserts M2 M2.5 M3 M4 M5 M6 M8, Soldering Iron Tips Compatible with Weller SP40NUS/Hakko FX-888D/900M/T18 Irons- Press Tool for Plastic 3D Printer Components - Kadrick Metric Screws Assortment,2240 Pcs M3 Screws Nuts Washers Assortment M3x4MM-35MM, Hex Socket Button & Cap Head M3 Machine Bolts Kit, 12.9 & 10.9 Grade Alloy Steel,Black Screws for 3D Printing --- ## 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.be/products/618013646-hanglife-threaded-inserts-for-plastic-m3-heat-set-insert-3d](https://www.desertcart.be/products/618013646-hanglife-threaded-inserts-for-plastic-m3-heat-set-insert-3d) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-09-13*