Tappex designs and supplies threaded inserts for plastics and composite materials, supporting engineers across injection moulding and additive manufacturing. We help solve common challenges including thread failure, boss cracking, and inconsistent installation, ensuring reliable, repeatable performance in production. 

With decades of application experience, we work closely with customers to match insert design and installation method to each application, improving joint integrity, reducing scrap, and delivering practical, cost-effective assembly solutions across a wide range of industries.