ruthex M4S Short Threaded Insert Pack of 50 RX M4Sx4.0 Bushings Made Brass 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 4.0 mm press-in threads. The melting nuts are perfect for any 3D printing project. Item no.: ‎GE-M4Sx04-1