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Metric Class 10.9 Button Flange Socket Screw, ISO 7380 2 Thermal Black Oxide (Inch)
Our Metric Class 10.9 Button Flange Socket Screws manufactured to ISO 7380‑2 provide high‑strength fastening with integrated load distribution for demanding mechanical and industrial applications. Produced from alloy steel and heat‑treated to Class 10.9, these screws deliver excellent tensile strength, controlled ductility, and dependable performance under high clamp loads.
The button flange head design combines a low‑profile, rounded button head with an integrated flange, eliminating the need for a separate washer while improving load distribution and joint stability. Finished with a thermal black oxide coating, these screws offer mild corrosion resistance, improved lubricity, and a uniform matte black appearance without affecting dimensional accuracy—making them ideal for precision assemblies and controlled environments.
Engineered for strength, efficiency, and clean installation, ISO 7380‑2 Class 10.9 Button Flange Socket Screws with Thermal Black Oxide finish are commonly used in machinery, automation systems, tooling, robotics, automotive components, and industrial equipment. The flange helps protect mating surfaces and reduces loosening under vibration, while the hex socket drive allows accurate torque application. Available in a wide range of metric diameters and lengths, these fasteners deliver reliable, high‑performance fastening with a professional finish.
