M5‑0.80 x 30mm Button Socket Cap Screw – Class 10.9, Black Oxide, ISO 7380

Engineered for metric fastening applications requiring extended length and high tensile strength, this M5‑0.80 x 30mm button socket cap screw is manufactured from heat‑treated Class 10.9 alloy steel and produced to ISO 7380 standards. The 30mm length provides deep thread engagement for secure fastening through thicker or multi‑layer assemblies, enhancing joint stability. Its low‑profile button head minimizes protrusion while maintaining a clean, finished appearance, and the internal hex drive allows for precise torque application. Finished with a thermal black oxide coating, it offers reduced glare, mild corrosion resistance, and a consistent technical finish ideal for industrial, machinery, and precision mechanical applications.