Symmetrical threaded insert for plastics, heat installation (UTC)

UTC symmetrical brass threaded inserts for plastics are designed to create durable metal threads in thermoplastic components where reliable fastening and long service life are essential. They are widely used in industrial applications that require repeated assembly and disassembly without damaging the plastic part, providing a secure threaded connection that maintains its mechanical performance over time.

One of the main advantages of the UTC design is its perfectly symmetrical shape. Unlike inserts that require a specific orientation before installation, UTC inserts can be fed and positioned more easily, making them particularly suitable for automated assembly systems. This feature helps simplify production, reduce installation errors and improve overall manufacturing efficiency.

These threaded inserts are intended for heat installation, a process in which the insert is pressed into a pre-formed hole while heated. As the surrounding thermoplastic softens, the insert becomes securely embedded in the material. Once the plastic cools, it forms a stable mechanical bond that offers excellent retention and consistent long-term performance.

A distinctive feature of the UTC insert is the combination of opposed knurled bands and knurled flanges. This geometry improves the interaction between the insert and the surrounding plastic, increasing both pull-out resistance and torque resistance. The result is a secure fastening solution capable of withstanding vibration, repeated mechanical loads and demanding operating conditions.

Thanks to its compact and symmetrical profile, the UTC insert is also well suited for thin-wall plastic components, where installation space is limited but reliable threaded fastening remains essential. These characteristics make it a practical solution across a wide range of industries, including electronics, electrical equipment, industrial automation, household appliances, medical devices and many other applications involving thermoplastic parts.

Selecting the right threaded insert depends on several factors, including the type of thermoplastic material, wall thickness, hole design, thread size, installation method and the mechanical requirements of the finished assembly. Considering these variables during the design phase helps achieve reliable performance while improving production efficiency.

A.T.S. supplies brass threaded inserts for plastic components and supports manufacturers, design engineers and technical departments in choosing the most suitable fastening solution. In addition to product supply, A.T.S. provides technical consultation and application support, helping customers identify the right insert based on material characteristics, assembly methods and production requirements. Detailed technical data, available dimensions and installation recommendations for UTC threaded inserts can be found in the dedicated product documentation.