The Brass M3 Heat Insert Nut (3mm) is a high-quality threaded insert designed for heat staking into plastic parts, providing strong and durable internal threads. Made from precision-machined brass, these inserts ensure excellent conductivity, corrosion resistance, and long-lasting performance.

With an outer diameter of approximately 4.2mm and height of 3mm, these inserts are ideal for use in 3D printed parts, injection-molded plastics, and DIY assemblies, allowing secure fastening with standard M3 screws.

Supplied in a bulk pack of approximately 1000 pieces, this set is perfect for production use, workshops, and large-scale projects.

Features

• M3 threaded heat insert nuts
• Designed for heat staking into plastic materials
• Made from high-quality brass
• Provides strong and durable internal threads
• Excellent corrosion resistance and conductivity
• Knurled outer surface for firm grip in plastic
• Ideal for 3D printing and injection molding
• Suitable for repeated assembly and disassembly
• Bulk pack for industrial and workshop use

Specifications

• Thread Size: M3
• Height (Length): 3mm
• Outer Diameter (OD): ~4.2mm
• Material: Brass
• Type: Heat Staking Threaded Insert
• Installation Method: Heat press / soldering iron
• Quantity: Approx. 1000pcs

Applications

• 3D printed parts reinforcement
• Plastic enclosure assembly
• Injection molded components
• Electronics housing and mounting
• Robotics and DIY projects
• Industrial plastic assemblies
• Product prototyping and manufacturing