Insert Molding: When Metal Meets Plastic 2026-06-12
In the world of injection molding, most parts are 100% plastic. But sometimes, plastic alone isn't enough. You need the strength of metal, the conductivity of copper, or the hardness of steel — but you also need the design freedom, light weight, and corrosion resistance of plastic.
That's where Insert Molding comes in.
Insert molding is the process of placing a metal component — a nut, a terminal, a bracket, or even a complex machined part — into the mold cavity before injecting plastic. The plastic flows around the metal, solidifies, and creates a single hybrid part that combines the best of both materials.
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