M3‑0.50 x 16mm Button Socket Cap Screw – Class 10.9, Black Oxide, ISO 7380

Engineered for metric fastening applications requiring added reach and dependable strength, this M3‑0.50 x 16mm button socket cap screw is manufactured from Class 10.9 alloy steel and produced in accordance with ISO 7380 specifications. The increased length allows for deeper thread engagement in thicker or multi‑component assemblies, while the smooth, low‑profile button head provides a clean, professional appearance in exposed or clearance‑sensitive installations. Finished with a thermal black oxide coating, it offers reduced glare, mild corrosion resistance, and a consistent technical finish ideal for electronics, instrumentation, and precision mechanical assemblies.