100 Pcs M3 Threaded Insert M3 Heat Set Inserts 3D Printing Brass Nuts Knurled Twill Thread Nut Inserts for Loptop Automotive Plastic Shells

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🔧 Upgrade your 3D prints with brass inserts that mean business!

This set includes 100 M3 heat-set threaded brass inserts, engineered for precision and durability. With a 3mm inner diameter and 5.7mm length, these knurled inserts provide secure fastening in various 3D printing plastics like PLA and ABS. Their rust-proof, heat-resistant brass construction ensures long-lasting performance, making them ideal for automotive, laptop, and electrical plastic shell applications.