Over Molding from Service Tool and Plastics

Over Molding Components for the Auto Industry, Consumer Goods, and More

With versatile plastic injection molding capabilities, we are sought out to perform over molding work for industries with complex needs and high expectations for precision. Our over molding services can serve the needs of industries ranging from automotive and consumer goods manufacturers to the medical device industry and beyond. As an ISO 9001:2015 Certified injection molding company, we have the Quality Management System in place to guarantee each product we over mold precisely matches your designs and functions as intended.

Whether you need fully assembled over molded products with integrated cabling or less complex components molded, our team is ready to learn more about your project and provide you with a competitive quote.

Over Molded Containers of various colors

Using Acetal, Flexible PVC, and more to Over Mold Components

We are skilled at working with a wide variety of plastics. Our work includes over molding components using plastics including:
  • Polycarbonate
  • ABS*
  • Acetal
  • Polystyrene**
  • PVC – Polyvinylchloride
  • Santoprene
  • Ryton
  • Nylon 6/6
  • ST Nylon
  • Glass Filled Nylon
  • Polypropylene
  • * including Flame Retardant
  • ** including High and Low Impact
Our over molding work often includes multiple plastics. The state-of-the-art injection molding equipment we use makes combining different plastics into a single over molded component or assembly easy. Being combining plastics, we can also add color to our plastics to match your product design. If you see the plastics your job requires listed above, you can contact us for a quote on your over molding job. If you do not see a plastic listed, you can reach out to see if we can work with the plastic(s) your component needs to be molded with.
over molded example
Batter Cover

Request Over Molding and Full Assembly Solutions

In many cases over molding results in a nearly complete product and we offer full assembly solutions to round out our work. For example, we can perform over molding that requires wire assembly and other electronic integration work following the initial step in the molding process. If your company would benefit from receiving completed products from us, we recommend discussing your needs.

Dozens of Presses and Advanced Tools Allow for Effective Over Molding

At Service Tool and Plastics, we have an extensive array of presses, robots, CNC machines, and software that we use to perform over molding work. With 44 presses on site and a capacity of 50 – 1,000 tons, the breadth of work we can complete is enormous. In addition to press weight capacity, we also have a full-service tool shop on site, 5-axis CNC machines, and our aforementioned clean room.

While most jobs will not require all our equipment and skills, we maintain the machines and capacity needed to take on some of the toughest jobs imaginable. If you want to contract injection molding experts who can over mold your parts for a low cost and with exceptional quality guaranteed, Service Tool and Plastics is ready to help.

Case Study

Over Molded Automobile Gear Shifter


Automotive manufacturers are just one example of the industries we can over mold parts for at Service Tool and Plastics. An example of our over molding work includes a gear shifter molded for an automotive manufacturer. To begin, the base substrate was molded out of Acetal. Then, we assembled wires within this component. With wiring in place, we over molded with Flexible PVC to encompass the part and secure the assembled wires.

Service Tool and Plastics

Contact Us Today

"*" indicates required fields

This field is for validation purposes and should be left unchanged.