Luojinluoda 100PCS Threaded Inserts M3 Assortment Box - Brass Heat Set Insert for Plastic Parts - Metric Knurled Nuts for 3D Printers (M3X4X5Mm)

Luojinluoda 100PCS Threaded Inserts M3 Assortment Box - Brass Heat Set Insert for Plastic Parts - Metric Knurled Nuts for 3D Printers (M3X4X5Mm)

Brand: LuojinLuoda
3.3
A$11.55
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  • 【Premium Brass Construction】 These M3 threaded inserts are made from high-grade brass, offering superior durability and heat resistance up to 300°C / 572°F, making them perfect for heat-setting into 3D printed parts. The knurled exterior ensures a secure grip in plastic, preventing loosening under vibration or stress.
  • 【Easy Heat-Set Installation】 Designed for quick and secure installation, these brass inserts for plastic can be embedded using a soldering iron, heat press, or ultrasonic tool. The spiral knurl provides excellent torque resistance, ensuring a tight, long-lasting thread in PLA, ABS, PETG, and other thermoplastics.
  • 【100Pcs Bulk Pack】 This M3 threaded insert assortment includes 100 pieces, providing ample supply for multiple projects without frequent reordering. Each knurled nut insert is precisely sized (M3 x 4 x 5mm) for compatibility with standard metric screws.
  • 【Wide Compatibility】 Ideal for 3D printing, CNC machining, and plastic fabrication, these threaded inserts for plastic work with PC, PA, nylon, and more. Perfect for reinforcing screw holes in drones, RC cars, electronics enclosures, and automotive parts.
  • 【Secure & Vibration-Resistant】 The opposing spiral knurl design ensures maximum holding power, preventing inserts from spinning or pulling out. A must-have for engineers, makers, and DIY enthusiasts who need reliable threaded fasteners in plastic components.

100Pcs M3 Brass Threaded Inserts – Heat-Set Knurled Nuts for 3D Printing & Plastic Parts

Upgrade your plastic assembly projects with these high-strength brass threaded inserts, designed for permanent, vibration-resistant screw threads in 3D printed and molded parts!

Why Choose These Inserts?

✔ Industrial-Grade Brass – No rust, no deformation, even under high stress.

✔ Heat-Set & Ultrasonic Compatible – Installs in seconds with a soldering iron.

✔ M3 Metric Standard – Fits M3 screws (3×4×5mm).

✔ 100-Piece Value Pack – Enough for dozens of projects.

✔ Universal Plastic Use – Works with ABS, PLA, PETG, nylon, PC.

Common Applications:

3D Printed Frames & Enclosures (Drones, Robotics)

RC Models & Automotive Plastic Parts

Electronics Mounting & Laptop Molds

DIY Repairs & PrototypingHow to Install:

1️⃣ Drill/Punch a pilot hole.

2️⃣ Heat the insert (soldering iron at 250–300°C).

3️⃣ Press into plastic until flush.

4️⃣ Let cool—ready for screws!

Package Includes:

100 x M3 Brass Threaded Inserts

⚠ Pro Tip:

For ABS/PLA, preheat the hole with a 3D printer nozzle for easier insertion.

  • Country of origin: China
  • Package Dimensions: 16.4 x 11.8 x 0.6 cm; 30 Grams
  • Manufacturer reference: LuojinLuoda-nancy-001
  • Manufacturer: LuojinLuoda
A$11.55
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Availability:
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