Heat Set Insert M4 x 4 (Short Version) - 50 pieces

Thread Size: M4, Length: 4 mm Material: High-quality brass (Lead & Cadmium free) Double Knurling: Provides a secure fit with increased resistance to pull-out Pilot End: Allows easy alignment and installation Optimized for 3D-Printed Parts: Perfect for embedding in PLA, ABS, PETG, and other thermoplastics Versatile Installation: Melt with soldering iron into thermoplastics or glue into resin prints Enhanced Durability: Reinforces threaded holes, increasing strength and longevity of parts Professional Finish: Provides a clean, finished look for DIY and professional projects Quantity: 50 pieces