About This

• Bulk 300-Piece M4 Threaded Insert Set:This 300 pcs M4 threaded inserts includes 300 high-quality brass threaded inserts, providing ample supply for continuous projects in 3D printing, electronics assembly, circuit board mounting, and DIY repairs.
• Durable Brass Construction for Longevity :Made from robust brass material, these inserts feature a smooth, burr-free surface with excellent mechanical strength, resisting deformation and ensuring reliable, long-term performance in plastic and resin applications.
• Easy Heat or Ultrasonic Installation :Designed for quick installation using a soldering iron, heat gun, or ultrasonic tool, these M4 heat set inserts seamlessly into plastic matrices without the need for pre-drilled countersunk holes, streamlining your workflow.
• Precision Knurled Design for Secure Grip:Each M4 insert is precision-engineered with clear internal threads and a uniform knurled outer surface, providing superior torsion resistance and pull-out strength to keep your assemblies firmly in place.
• Embossed Outer Diameter for Anti-Slip Hold :The 3d printer brass inserts knurled featuring a textured outer diameter that creates strong friction and bite force once molded into plastic, these inserts lock securely in position and prevent rotation or slippage under load.

Overview

• Material : Brass
• Fastener Type : Insert
• Thread Size : M4 x 6 x 6mm
• Exterior Finish : Brass
• Color : Gold