Tri-Star now offers complementary CAD files for threaded insert and threaded stud products.

Find CAD Files

Download the Tristar Industries CatalogThreaded Insert Selection GuideTri-Star Industries is a manufacturer of threaded inserts for plastics. We offer a full line of brass inserts for all methods of installation, including: ultrasonic, heat, thermal, press-in and mold-in. Tri-Star can also custom design and produce threaded inserts for most applications with a low minimum order quantity requirement. Our company stocks large inventories of the most popular styles of brass inserts, which include: Tapered InsertsStraight Hole InsertsSymmetrical Inserts and Threaded Studs. Although our standard line is brass, we also stock stainless steel inserts in a variety of styles and sizes. Our threaded inserts start at 0-80 for inch threads and M1.6 for metric threads. We offer the most extensive variety of lengths for ultrasonic inserts and thermal inserts in the industry.

RoHS Compliant Parts & ManufacturingBrowse our full line of brass threaded inserts. Remember, if you don’t see it listed in our catalog, call our Engineering Department at 1-800-882-8980 and ask to speak with a Design Engineer.

CNC Machined ComponentLearn about Tri-Star’s new CNC Swiss Precision Machined Components, which are ideal for manufacturing parts with complex designs, tight tolerances, unique features and high quality surface finishes.



* Ultrasonic Insertion, Thermal Insertion, Press-In & Mold-in *
Plastic Applications using Threaded Inserts & Studs
Plastic Applications using Threaded Inserts & Studs

Stainless Steel Inserts & More

In addition to our brass threaded inserts, Tri-Star’s catalog is also available in alternative materials including stainless steel, steel, and aluminum. Contact our engineering team for details.

Latest News

  • Tri-Star News Item

How to Select Metal Inserts for Molded Plastics

Metal inserts are integral to the design and manufacturing of many molded plastic products. Yet, because inserts are often viewed as commodity items, it is not uncommon for product designers to write up basic [...]

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