M8‑1.25 x 20mm Button Socket Cap Screw – Class 10.9, Black Oxide, ISO 7380

Engineered for high‑strength metric fastening in medium‑length applications, this M8‑1.25 x 20mm button socket cap screw is manufactured from heat‑treated Class 10.9 alloy steel and conforms to ISO 7380 standards. The 20mm length provides dependable thread engagement for secure clamping in machinery and mechanical assemblies, while the smooth, low‑profile button head offers a clean, finished appearance in exposed or clearance‑restricted installations. Featuring an internal hex drive for precise torque control, it is finished with a thermal black oxide coating that reduces glare, provides mild corrosion resistance, and delivers a durable technical finish suitable for industrial use.