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Metric Class 12.9 Button Socket Screw, ISO 7380 1, Mechanical Zinc CR+3 (Inch)
Our Metric Class 12.9 Button Socket Screws manufactured to ISO 7380‑1 deliver exceptional strength, precision, and corrosion resistance for high‑performance mechanical and industrial applications. Produced from high‑strength alloy steel and heat‑treated to Class 12.9, these fasteners offer superior tensile strength and reliability for demanding assemblies.
The button head design provides a low‑profile, rounded appearance while maintaining excellent load‑bearing capability, making these screws ideal for applications where clearance, aesthetics, and strength are equally important. Finished with Mechanical Zinc CR+3 plating, these screws provide enhanced corrosion resistance compared to standard zinc coatings, along with a uniform, clean finish suitable for indoor and light‑to‑moderate outdoor environments.
Engineered for precision and durability, ISO 7380‑1 Class 12.9 Button Socket Screws are widely used in machinery, automation equipment, tooling, robotics, automotive components, and industrial assemblies requiring high clamp load and secure fastening. The hex socket drive allows controlled torque application and reliable installation, while the mechanical zinc CR+3 coating offers added protection against corrosion without compromising dimensional accuracy. Available in a full range of metric diameters and lengths, these screws deliver consistent, high‑strength performance in critical applications.
