M3‑0.50 x 5mm Button Socket Cap Screw – Class 10.9, Black Oxide, ISO 7380

Designed for precision metric fastening, this M3‑0.50 x 5mm button socket cap screw is manufactured from high‑strength Class 10.9 alloy steel and produced to ISO 7380 standards. The compact length provides reliable thread engagement for light‑duty and small‑component assemblies, while the smooth, low‑profile button head allows for clean installation in tight or visible applications. Finished with a thermal black oxide coating, it offers mild corrosion resistance, reduced glare, and a uniform technical appearance ideal for electronics, instrumentation, and mechanical assemblies.