M3‑0.50 × 4 mm Socket Set Screw, Cup Point – Stainless Steel A4 (316)

Designed for precision fastening in small and space‑restricted assemblies, the M3‑0.50 × 4 mm socket set screw with cup point is manufactured from A4 (316) stainless steel to deliver excellent corrosion resistance and long‑term reliability. The cup point provides secure holding by biting into the mating surface, helping maintain position under vibration or light mechanical load. An internal hex socket drive allows accurate installation in recessed or compact applications. Commonly used in electronics, instrumentation, marine components, food processing equipment, and precision mechanical assemblies where corrosion resistance and dependable fastening are required.