Description
A precision-engineered machine screw featuring a #4-40 UNC (Unified National Coarse) thread with a 2A external thread class, offering moderate tolerance for ease of assembly. Constructed for durability and consistent performance, this fastener is ideal for electronics, instrumentation, and mechanical assemblies requiring fine-threaded miniature screws. The designation "002N" typically refers to length or a custom specification related to material or finish.





