M12‑1.75 x 40mm Button Socket Cap Screw – Class 10.9, Black Oxide, ISO 7380

Engineered for high‑strength metric fastening in demanding applications, this M12‑1.75 x 40mm button socket cap screw is manufactured from Class 10.9 alloy steel and produced to ISO 7380 standards. The 40mm length offers reliable thread engagement for secure clamping in structural and heavy mechanical assemblies, while the low‑profile button head reduces snagging and maintains a clean, finished appearance in exposed installations. Featuring an internal hex drive for controlled torque application, it is finished with a thermal black oxide coating that reduces glare, provides mild corrosion resistance, and delivers a consistent technical finish suitable for industrial and machinery use.