






🔧 Upgrade your 3D prints with brass-backed strength and style!
HANGLIFE Heat-Set Threaded Inserts are precision-engineered M4 brass knurled nuts designed for easy heat or ultrasound embedding into thermoplastic 3D printed parts. Offering superior torque resistance and corrosion durability, this 100-piece set enhances the strength and reliability of your plastic components across a wide range of materials.




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