--- product_id: 430231132 title: "100pcs 3D Printing Brass Nuts, M3 Threaded Insert Knurled Brass Nuts" brand: "aiex" price: "$20.88" currency: USD in_stock: true category: "Aiex" url: https://www.desertcart.us/products/430231132-100pcs-3d-printing-brass-nuts-m3-threaded-insert-knurled-brass store_origin: US region: United States of America --- # Heat resistant >300°C 100pcs bulk pack Precision M3 threading 100pcs 3D Printing Brass Nuts, M3 Threaded Insert Knurled Brass Nuts **Brand:** aiex **Price:** $20.88 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your 3D prints with brass nuts that mean business! ## Quick Answers - **What is this?** 100pcs 3D Printing Brass Nuts, M3 Threaded Insert Knurled Brass Nuts by aiex - **How much does it cost?** $20.88 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/430231132-100pcs-3d-printing-brass-nuts-m3-threaded-insert-knurled-brass) ## 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-piece set:** Never run out during your 3D printing projects—bulk supply for endless creativity. - • **Precision M3 threading:** Perfectly sized for seamless integration with your 3D printer parts and accessories. - • **Knurled for ultimate grip:** Enhanced torque resistance ensures a rock-solid fit every time. - • **Premium heat-resistant brass:** Withstands temperatures over 300°C to keep your prints flawless under pressure. - • **Versatile plastic compatibility:** Works flawlessly with PLA, ABS, PETG, and more—ideal for automotive, laptop, and industrial molds. ## Overview The AIEX 100pcs 3D Printing Brass Nuts are precision-engineered M3 threaded inserts made from durable, heat-resistant brass. Designed for easy heat embedment and injection molding, these knurled nuts provide superior grip and torque resistance, ensuring secure assembly in a wide range of plastics including PLA, ABS, and PETG. Ideal for 3D printing, automotive, and electronic applications, this bulk pack guarantees you never run short on high-quality fastening solutions. ## Description Specification: Color: brass color Material: quality brass Product Size: about 5.7x3x4.6mm / 0.2x0.1x0.2inch Package details: 100 x knurled brass nut Note: Due to manual measurement, the size and weight may have a certain error. Due to the difference between different monitors, there may be a slight color difference existed. ## 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 5.7x3x4.6mm / 0.2x0.1x0.2inch, 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09TNK8GD6 | | Best Sellers Rank | #83,120 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #118 in Nut Inserts | | Brand | AIEX | | Color | brass | | Compatible Groove Diameter | 5.7 millimeters | | Customer Reviews | 4.7 4.7 out of 5 stars (316) | | Drive Style | Spline | | Exterior Finish | Brass | | Fastener Type | Knurled | | Finish Types | Brass | | Grade Rating | aerospace | | Inside Thread Size | M3 | | Item Diameter | 5.7 millimeters | | Item Highlight | Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell(M3*4.6x5.7mm) | | Manufacturer | AIEX | | Material Type | Brass | | Metal Type | Brass | | Number Of Items | 100 | | Number of Pieces | 100 | | Outside Diameter | 5.7 millimeters | | Part Number | B16046 | | Screw Head Style | Flat with knurled texture | | Set Name | AIEX M3 5.7mm Knurled Brass Nut Set (100pcs) | | Size Name | M3-5.7mm | | Thread Class | Coarse | | Thread Size | M 3 | | Thread Style | M3, Right Hand, Coarse Pitch | | Thread Type | Iso Metric | | Unit Count | 100 Count | ## Product Details - **Color:** brass - **Exterior Finish:** Brass - **Fastener Type:** Knurled - **Material:** Brass - **Thread Size:** M 3 ## Images ![100pcs 3D Printing Brass Nuts, M3 Threaded Insert Knurled Brass Nuts - Image 1](https://m.media-amazon.com/images/I/71oDRNZ3gFL.jpg) ## Frequently Bought Together - AIEX 100pcs 3D Printing Brass Nuts, M3 Threaded Insert Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell(M3*4.6x5.7mm) - Kadrick Small Metric Screws Suitable for 3D Printer DIY, 400 Pcs M3 Screw and Nut Assortment Hex Socket Head Cap, 12.9 Grade Alloy Steel,Black Zinc Plated - 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.us/products/430231132-100pcs-3d-printing-brass-nuts-m3-threaded-insert-knurled-brass](https://www.desertcart.us/products/430231132-100pcs-3d-printing-brass-nuts-m3-threaded-insert-knurled-brass) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-11-04*