500PCS Heat‑Set Threaded Inserts Kit M2 M3 M4 M5 Brass Knurled Nuts for 3D Printing & Plastic Materials (PLA/ABS/PETG/PP/PPS)

🔩 【BOVILEVR 500PCS Heat‑Set Threaded Inserts Kit】includes 500 brass heat‑set inserts in M2, M3, M4, and M5 sizes, covering multiple heights for different installation needs. A complete solution for 3D printing, plastic repair, and precision assembly.🔩 【Premium Brass & Long‑Lasting Strength】Made of high‑quality brass, these inserts provide excellent thermal conductivity, strong internal threads, and superior corrosion resistance. Designed to deliver stable, durable fastening in plastic components.🔩 【Precision Knurled for Maximum Grip】Each insert features sharp, well‑defined knurling for strong pull‑out resistance. Sizes include M2 , M3 , M4 , and M5 , ensuring compatibility with a wide range of 3D‑printed and molded parts.🔩 【Ideal for 3D Printing & Plastic Materials】Perfect for PLA, ABS, PETG, PP, PPS, and other plastics. Reinforces threaded holes, prevents stripping, and provides reusable, high‑precision threads—ideal for enclosures, robotics, electronics housings, and mechanical assemblies.🔩 【Clear Size Layout & Recommended Hole Guide】Each size is neatly organized for quick access, with recommended hole diameters (Φd₁ + 0.1mm) to ensure optimal heat‑set performance. A practical, ready‑to‑use kit for makers, engineers, and DIY users.