M3‑0.50 x 25mm Button Socket Cap Screw – Class 10.9, Black Oxide, ISO 7380

Designed for metric fastening applications where extended length and controlled strength are required, this M3‑0.50 x 25mm button socket cap screw is manufactured from Class 10.9 alloy steel and produced to ISO 7380 standards. The longer length allows for secure fastening through thicker materials or multi‑layer assemblies, while the low‑profile button head helps maintain a smooth, streamlined appearance in exposed or clearance‑limited installations. Finished with a thermal black oxide coating, it provides reduced glare, light corrosion resistance, and a uniform technical finish well suited for electronics, instrumentation, and precision mechanical assemblies.