Brass inserts for plastic molding, PVC injection molding and rubber molding — supplied per customer designs and samples. Sizes from 2mm to 20mm in nine thread standards.

Prime Industrial Components offers brass injection molding inserts per customer designs and samples. These inserts are used across plastic molding, PVC injection molding, rubber molding, instrumentation, telecommunications and plastic case assembly applications.
Standard sizes span 2mm to 20mm metric and 1/8" to 3/4" imperial, with nine thread standards available. Both blind and through configurations are offered.
Standard ranges shown. Custom sizes, threads, materials and finishes produced to drawing.
Injection molding inserts work across material types — from rigid plastics through PVC and into rubber compounds. Common buyer industries include:
Injection molding subjects the insert to thermal cycling and clamping force. Prime engineers each insert to retain through and beyond the molding cycle:
Share your size, thread, drawing or sample — we'll quote within 48 hours and ship from Jamnagar to buyers in 40+ countries.