M4‑0.70 x 8mm Button Socket Cap Screw – Class 12.9, Zinc Plated (Cr+3), ISO 7380

Designed for compact, high‑strength metric fastening, this M4‑0.70 x 8mm button socket cap screw is manufactured from heat‑treated Class 12.9 alloy steel and conforms to ISO 7380 standards. The low‑profile button head allows for flush, space‑saving installation, while the internal hex drive supports accurate torque application. A mechanical zinc finish with trivalent chromium (Cr+3) passivation enhances corrosion resistance and provides a clean, uniform appearance, making this fastener ideal for mechanical, automotive, and industrial assemblies.