ruthex 1/4" Threaded Insert - Pack of 20 RX-1/4" - 20 x 12.7 Brass Threaded Bushings - Sturdy Insert Nut - Can be used in 3D Printing Plastic Parts (Camera Thread) : Amazon.de: DIY & Tools
STCRERAG Threaded Insert 3D Pressure Soldering Iron Threaded Bushing Press Inner Thread Nut Threaded Inserts M3 Brass Melting Thread Nut for Plastic Parts 3D Printing Parts Pack of 50 : Amazon.de: DIY
Vigrue Threaded insert M2 M2.5 M3 M4 M5 M6 Insertion Nut Brass Threaded Bushings Internal Thread Knurled Nuts Embedding Nuts For Plastic Parts By Heat Or Ultrasonic In 3D Printer Parts :
220Stk Gewindeeinsatz M2 M2.5 M3 M4 M5 M6 Gewindebuchsen aus Messing-Innengewinde Rändelmuttern Einbettung Muttern für Kunstoffteiledurch Wärme oder Ultraschall in 3D-Drucker Teile : Amazon.com.be: Everything Else