Tri-Star Industries is a manufacturer of threaded inserts for plastics. It offers 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. Tri-Star stocks a large inventory of the most popular styles of brass inserts, such as tapered inserts, straight hole inserts, symmetrical inserts, and threaded studs. Although its standard line is brass, Tri-Star also stocks stainless steel inserts in a variety of styles and sizes. Tri-Star Industries' threaded inserts start at 0-80 for inch threads and M1.6 for metric threads. It offers one of the widest varieties of lengths for ultrasonic and thermal inserts in the industry.