ruthex M4 Threaded Insert Pack of 50 RX x 8.1 Brass Bushings Sturdy Nut for Plastic Parts Can be Used by Heat or Ultrasonic in 3D Printing

Thread insert for 3D printing - The melting threads can be subsequently inserted into 3D printed parts by embedding them into a bag or through hole with heat or ultrasound. Firm hold thanks to knurling - The threaded sleeve impresses with spiral knurled nuts for high tightening force and secure hold in the pressure part. Ideal for anyone who needs a sturdy internal thread. Durable threaded bushings - Our press-in nuts are made of corrosion-resistant brass. They offer optimal thermal conductivity and can be used multiple times - durable and reliable. Suitable for various plastics - The inserts are designed for all thermoplastics, such as PLA, PETG, ABS and much more. Easy to install with a soldering iron. Practical thread insert set - The ruthex set contains 50 high-quality M4 x 8.1 mm press-in threads. The melting nuts are perfect for any 3D printing project. Item no.: ‎GE-M4x81-001