20 Pcs M6 Brass Knurled Copper Flange Threaded Inserts For 3D Printing, Outer Diameter 8 or 9 Mm, Height 4-12 Mm, Heat Set Or Ultrasound Install, No Countersink Needed, Easy To Install, High Hardness, Corrosion And Heat Resistant

20-Pack M6 Brass Knurled Inserts for 3D Printing
✔️ Brass knurled heat-set inserts for 3D printing, 8 or 9 mm OD

These knurled brass inserts are designed to create strong, threaded joints in plastic parts and are widely used in 3D printing and injection molding. They install via ultrasonic or heat methods, with no countersink required, enabling flush, secure fixes in electronics housings, PCB assemblies, and similar plastic parts.

Key specs

✅ Pack size: 20 pcs
✅ Material: Brass
✅ Outer diameter: 8 or 9 mm
✅ Height range: 4-12 mm
✅ Install method: heat-set or ultrasonic
✅ No countersink required; corrosion and heat resistant

💡 What is a knurled brass heat-set insert used for in plastic parts?

A handy explanation: knurled brass heat-set inserts provide durable, threaded joints for screws in plastic parts and are widely used in 3D printing and injection molding. - designed for 3D printed parts to accept screws securely - installs via heat-set or ultrasonic methods into the plastic matrix - withstands heat and corrosion in plastics ✝️