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Metric Class 10.9 Button Socket Screw, ISO 7380 1, Zinc CR+3 Bake (Inch)
Our Metric Class 10.9 Button Socket Screws manufactured to ISO 7380‑1 with Zinc CR+3 Bake finish deliver high strength, precision performance, and enhanced corrosion resistance for demanding mechanical and industrial applications. Produced from alloy steel and heat‑treated to Class 10.9, these fasteners offer excellent tensile strength and durability for assemblies requiring reliable clamp load and long service life.
The button head design provides a low‑profile, rounded appearance ideal for tight‑clearance and finished assemblies, while the hex socket drive allows controlled torque application. The Zinc CR+3 Bake finish combines trivalent chromium corrosion protection with a post‑plating baking process that reduces the risk of hydrogen embrittlement, making these screws suitable for safety‑critical and high‑strength applications.
Engineered for consistent performance, ISO 7380‑1 Class 10.9 Button Socket Screws with Zinc CR+3 Bake are commonly used in machinery, automation equipment, tooling, robotics, automotive components, and industrial assemblies. The corrosion‑resistant zinc coating provides added protection in indoor and light‑to‑moderate outdoor environments while maintaining precise dimensional tolerances. Available in a full range of metric diameters and lengths, these fasteners offer dependable strength, clean appearance, and compliance with modern plating standards.
