Brass Knurl Threaded Insert Nuts Injection Molded Heat Set Insert Nut for 3D Printing Plastic Parts Repair M3 M4 M5

  Key Selling Points Breakdown:Made of high-quality brass, high hardness, wear-resistant, anti-corrosion and long service lifeDouble-knurled outer design provides strong grip, preventing loosening in plastic partsIdeal for heat-setting or ultrasonic insertion into 3D printed parts and plastic housingsSmooth internal threads ensure secure and durable fastening with screwsWidely used in 3D printing, electronics, automotive, furniture and DIY projectsCost-effective bulk pack, perfect for both hobbyists and professional manufacturersFull Description:Description:These Brass Knurl Threaded Insert Nuts are a must-have accessory for 3D printing enthusiasts, electronics repair, and plastic assembly projects. Made of premium brass material, they offer excellent strength, wear resistance, and corrosion resistance, ensuring a long-lasting, secure connection in plastic parts.The double-knurled outer surface is designed to lock firmly into the plastic, preventing rotation or loosening under stress. The smooth, precision-machined internal threads provide a reliable fit for standard screws, making them ideal for creating strong, reusable threaded holes in 3D printed parts or plastic housings.They can be easily installed using a soldering iron, heat press, or ultrasonic inserter, melting the surrounding plastic slightly to form a permanent bond. Once installed, they create a durable metal thread that can withstand repeated assembly and disassembly without stripping the plastic.Perfect for use in robotics, drones, electronics enclosures, furniture, and automotive applications, these inserts are available in common sizes (M3/M4/M5) to meet most of your project needs.Features:✅ Made of high-quality brass for durability, anti-corrosion and wear resistance✅ Double-knurled outer design for maximum grip in plastic materials✅ Precision-machined internal threads for secure screw fastening✅ Suitable for heat-setting, ultrasonic insertion or press-in installation✅ Ideal for 3D printing, electronics, furniture and DIY projects✅ Bulk pack available for hobbyists and professional useSpecifications:Material: BrassType: Double Knurl Threaded Insert NutCommon Sizes (Please choose your required size/quantity):M3: 3mm inner thread, various outer diameters/lengthsM4: 4mm inner thread, various outer diameters/lengthsM5: 5mm inner thread, various outer diameters/lengthsColor: GoldApplication: 3D Printing, Plastic Parts, Electronics, Automotive, Furniture, DIY ProjectsPackage Includes:As per your selected quantity/size optionNotes:Please confirm the size and thread specifications before purchasing to ensure compatibility with your project.For best results, install using a soldering iron or heat press at a suitable temperature to avoid damaging the plastic.Due to manual measurement, there may be a slight error in quantity.The actual color may vary slightly from the images due to different monitor settings.