M4 x 8.1mm Heat Set Insert - 50 pieces

Thread Size: M4, Length: 8.1 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