Knurled Brass Heat-Set Threaded Inserts

These are Knurled Brass Heat-Set Threaded Inserts. The M3 and M4 thread sizes indicate compatibility with M3 and M4 screws. They are typically used to create durable, reusable threads in plastic or other soft materials, installed by heating and pressing.

Specifications

Thread Size	M3, M4

About threaded inserts

Knurled Brass Heat-Set Threaded Inserts is listed under Threaded Inserts — helical coil, key-locking, heat-set and press-in inserts. Threaded inserts are fasteners that create a durable, reusable threaded hole in a material, often to repair damaged threads or to provide stronger threads in softer materials. They are broadly categorized by their installation method and locking mechanism.

Compare this against other threaded inserts, or search the full index for equivalents from other manufacturers.