--- product_id: 541033539 title: "AIEX 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Inserts Internal Thread Knurled Nuts Brass Threaded Insert for 3D Printing Parts Loptop Automotive Plastic Casing" brand: "aiex" price: "143 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/541033539-aiex-100pcs-3d-printing-brass-nuts-m3x4x5mm-m3-threaded-inserts store_origin: PL region: Poland --- # withstands 300℃+ heat 100pcs bulk pack precise M3x4x5mm sizing AIEX 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Inserts Internal Thread Knurled Nuts Brass Threaded Insert for 3D Printing Parts Loptop Automotive Plastic Casing **Brand:** aiex **Price:** 143 zł **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your 3D printing game with brass nuts that mean business! ## Quick Answers - **What is this?** AIEX 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Inserts Internal Thread Knurled Nuts Brass Threaded Insert for 3D Printing Parts Loptop Automotive Plastic Casing by aiex - **How much does it cost?** 143 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/541033539-aiex-100pcs-3d-printing-brass-nuts-m3x4x5mm-m3-threaded-inserts) ## 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 100-Pack Bulk:** Never run out mid-project—connect all your 3D printing parts effortlessly. - • **Versatile Compatibility:** Perfect for plastics like PC, PLA, ABS, PETG—ideal for laptops, automotive, and more. - • **Heat-Resistant Brass Build:** Premium brass endures temperatures above 300℃, ensuring durability under pressure. - • **Precision Fit for M3 Threads:** Engineered to exact M3x4x5mm specs for seamless integration with your 3D printer. - • **Knurled Grip for Easy Installation:** Serrated surface guarantees secure, slip-free fitting every time. ## Overview The AIEX 100pcs 3D Printing Brass Nuts are precision-engineered M3 threaded inserts made from high-quality brass, designed to withstand high temperatures over 300℃. With a knurled surface for easy installation and compatibility across multiple plastic materials, this bulk pack ensures reliable, durable connections for your 3D printing, automotive, and plastic casing projects. ## Description AIEX 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Inserts Internal Thread Knurled Nuts Brass Threaded Insert for 3D Printing Parts Loptop Automotive Plastic Casing ## Features - Package content: you get 100pcs 3D printing brass nuts, super large quantity can meet your needs of connecting numerous 3D printing accessories. Each knurled copper nut measures about M3x4x5mm, make sure the size of the nuts matches well with 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, can also withstand high temperature above 300℃.Excellent thermal conductivity also makes your 3D printer more effective. - Easy to install: The knurled copper nuts can be easily installed in the tapered holes of 3D printers by heating, can also be formed by injection molding.The 3D printer nuts with full knurled patterns can perfectly match your 3D printers.Practical notes make your 3D printer work properly. - Good workmanship: With clean surface and twill wire -serrated patterns, the nuts can be installed on 3D printers and fit perfectly and not scratch your precious 3D printing parts. The smaller diameter of the front of the nut allows you to insert it exactly into 3D print hole. - Wide Application: These threaded insert nuts can be inserted into various plastics, such as PC, PA, PLA, ABS, PETG, etc., etc. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | AIEX | | Part number | B16155 | | Item Weight | 32 g | | Product Dimensions | 1 x 5 x 5 cm; 32 g | | Item model number | B16155 | | Color | brass color | | Finish | Unfinished | | Material | Brass, Copper | | Shape | Round | | Number Of Pieces | 100 | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Material:** Brass, Copper - **Fastener type:** Insert, Knurled - **Thread size:** M 3 - **Exterior finish:** Brass - **Colour:** brass color ## Images ![AIEX 100pcs 3D Printing Brass Nuts, M3x4x5mm M3 Threaded Inserts Internal Thread Knurled Nuts Brass Threaded Insert for 3D Printing Parts Loptop Automotive Plastic Casing - 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/541033539-aiex-100pcs-3d-printing-brass-nuts-m3x4x5mm-m3-threaded-inserts](https://www.desertcart.pl/products/541033539-aiex-100pcs-3d-printing-brass-nuts-m3x4x5mm-m3-threaded-inserts) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-28*