Insert Molding

Carefully inspect assembled plastic parts and you’ll often find threaded inserts. These small metal pieces play a critical role in holding together the products we use every day, from your laptop to a variety of hand-held devices. Installing inserts into a plastic part can be tedious. One method is to mold the plastic part and then manually secure the inserts into the part in the assembly stage. A more cost-effective and efficient way to install inserts into a plastic part is through insert molding.  

Insert molding is the manufacturing process of installing inserts into the plastic part during the injection molding process. The mold is specially designed to hold the inserts in place, allowing plastic to flow and harden around the inserts. A completed part is then ejected from the machine with the inserts installed. This process eliminates the need for post-production assembly and ensures a tight bond between the plastic part and its inserts.