M6‑1.00 x 18mm Button Socket Cap Screw – Class 10.9, Black Oxide, ISO 7380

Designed for metric fastening applications requiring additional length and high mechanical strength, this M6‑1.00 x 18mm button socket cap screw is manufactured from heat‑treated Class 10.9 alloy steel and produced to ISO 7380 standards. The 18mm length provides enhanced thread engagement for secure fastening in machinery and structural assemblies, while the low‑profile button head offers a clean, streamlined appearance in clearance‑restricted or visible installations. Featuring an internal hex drive for controlled torque application, it is finished with a thermal black oxide coating that reduces glare, offers mild corrosion resistance, and delivers a consistent technical finish suitable for industrial and precision mechanical use.