Tri-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 Inserts, Straight Hole Inserts, Symmetrical Inserts and 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.

Click on our Insert Selection Guide to see 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.

Read about Tri-Star's new lines of precision inserts for closed-end and thru-thread "mold-in" applications. (PDF, 393k)