400 Pcs Threaded Inserts Brass Heat Set for 3D Printing M2-M6 Kit

SECURE KNURLED THREAD LOCK Deep knurled exterior grips plastic firmly once heat-set, preventing slippage and pull-out under tension. Install once and trust the holdno rework, no loose threads ruining your project. | PREMIUM BRASS CONSTRUCTION Solid brass delivers excellent thermal conductivity for fast, clean insertion and long-lasting anti-fracture strength. Your threaded connections stay reliable through repeated assembly and disassembly cycles. | OPTIMIZED FOR 3D PRINTING Fits PLA, PETG, and ABS seamlessly. From functional prototypes to enclosure builds and plastic repairs, these inserts match your workflowno more ruined projects from mismatched hardware. | COMPLETE 15-SIZE ASSORTMENT One kit covers M2, M2.5, M3, M4, M5, and M6 in 400 pieces. No mid-job trips to the hardware storeevery metric size you need is organized and ready, keeping your projects on track. | NEATLY ORGANIZED & READY 400 inserts in labeled, easy-access storage boxes so you grab the right size instantly. Backed by responsive customer support for peace of mindfrom hobby bench to production line.