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Metric Class 10.9 Button Socket Screw, ISO 7380 1, Thermal Black Oxide (Inch)
Our Metric Class 10.9 Button Socket Screws manufactured to ISO 7380‑1 provide high strength, precision fit, and reliable performance for demanding mechanical and industrial applications. Produced from alloy steel and heat‑treated to Class 10.9, these screws offer excellent tensile strength and durability while maintaining controlled ductility for secure, long‑term fastening.
The button head design features a low‑profile, rounded head that delivers a clean, finished appearance while allowing solid load distribution in tight‑clearance applications. Finished with a thermal black oxide coating, these screws provide mild corrosion resistance, improved lubricity, and a uniform matte black appearance without altering thread or head dimensions—making them ideal for precision assemblies.
Designed for performance and consistency, ISO 7380‑1 Class 10.9 Button Socket Screws with Thermal Black Oxide finish are widely used in machinery, automation equipment, tooling, robotics, automotive components, and industrial assemblies. The hex socket drive allows controlled torque application, while the black oxide finish supports smooth installation and professional appearance in controlled and indoor environments. Available in a full range of metric diameters and lengths, these fasteners deliver dependable strength and precision where space, appearance, and performance matter.
