--- product_id: 525773523 title: "100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Insert Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell" brand: "aiex" price: "69 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/525773523-100pcs-3d-printing-brass-nuts-m3x4x5mm-m3-threaded-insert-knurled store_origin: PL region: Poland --- # Withstands 300°C+ heat 100pcs bulk pack Precision M3x4x5mm size 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Insert Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell **Brand:** aiex **Price:** 69 zł **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your 3D prints with brass nuts that mean business! ## Quick Answers - **What is this?** 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Insert Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell by aiex - **How much does it cost?** 69 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/525773523-100pcs-3d-printing-brass-nuts-m3x4x5mm-m3-threaded-insert-knurled) ## Best For - aiex enthusiasts ## Why This Product - Trusted aiex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Massive 100pcs Pack:** Never run out mid-project—bulk supply for all your 3D printing needs. - • **Heat-Resistant Brass:** Premium brass endures temperatures above 300°C, ensuring durability under pressure. - • **Precision Fit & Finish:** Knurled threads and tapered design guarantee a snug, scratch-free installation every time. - • **Effortless Installation:** Heat-embed or injection mold these nuts with ease for a professional-grade finish. - • **Versatile Compatibility:** Works seamlessly with PC, PLA, ABS, PETG plastics and fits automotive, laptop, and molding applications. ## Overview This set of 100 M3x4x5mm knurled brass nuts offers high-precision, heat-resistant threaded inserts designed for 3D printing and plastic molding applications. Crafted from durable brass, they provide excellent thermal conductivity and torque resistance, ensuring secure, scratch-free installation across a wide range of plastics and devices. ## Description 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Insert Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell ## Features - Package Content: You will get 100pcs 3D printing brass nuts, super large quantity can meet your needs of connecting numerous 3D printing accessories. Each knurled brass nut measures about M3x4x5mm / M3x0.16x0.2inch, please ensure that the size of the nuts can well match your 3D printer. - Premium Material: The threaded inserts for 3D printing are made of high quality brass, extremely sturdy, not easy to break or deform, also can withstand high temperature above 300°C / 572°F. Excellent thermal conductivity also makes your 3D printer to work more effectively. - Easy to Install: The knurled brass nuts can be easily installed into the the tapered holes of 3D printers by heating, also can be molded by injection molding. The 3D printing brass nuts with full knurled patterns can perfectly match with your 3D printers. Practical nuts make your 3D printer work well. - Good Workmanship: With clean surface and twill thread knurled patterns, the nuts can be installed onto 3D printers and fit perfectly and won't scratch your precious 3D printing parts. The smaller diameter of the front end of the nut allows you insert them into 3D printing hole precisely. Inclined thread knurls increase the torque resistance, so they can be fixed on the 3D printers tightly. - Wide Application: These m3 threaded insert nuts can be inserted into various plastics, such as PC, PA, PLA, ABS, PETG, etc. Suitable for installing on 3D printers, electrical molding machines, electrical injection molding, automotive or laptop molding plastic shells, etc. ## Product Details - **Material:** Brass, Plastic - **Fastener Type:** Knurled - **Thread Size:** M3 - **Exterior Finish:** Brass - **Color:** brass color ## Images ![100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Insert Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell - Image 1](https://m.media-amazon.com/images/I/71FLFeaIfeL.jpg) ## Frequently Bought Together - AIEX 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Insert Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell - 440 Pcs M3 Bolts and Nuts Set, Hex Socket Button Head Cap Screws Bolts Nuts Assortment Kit, Stainless Steel Replacement Machine Fastener Screws Bolts Nuts Sets - 40 Pack Extra Strong Magnets 6mm X 3mm, Neodymium Magnet for White Board, Fridge, Pin Board and DIY Picture --- ## 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.pl/products/525773523-100pcs-3d-printing-brass-nuts-m3x4x5mm-m3-threaded-insert-knurled](https://www.desertcart.pl/products/525773523-100pcs-3d-printing-brass-nuts-m3x4x5mm-m3-threaded-insert-knurled) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-08*