Ktehloy 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components

Description

🔧 Upgrade your 3D prints with brass precision and heat-proof durability!

The Ktehloy 400-piece brass threaded insert kit offers high-precision, heat-resistant inserts in six metric sizes (M2 to M6). Crafted from durable brass with 45° knurling, these inserts ensure superior torque resistance and thread stability. Designed for easy heat-set or ultrasonic installation, they are compatible with all major thermoplastics, making them perfect for 3D printing, injection molding, and electronics assembly. The kit’s organized storage box maximizes efficiency and accessibility for professional-grade projects.