S-91239A612 M12 x 20 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to the black-oxide coating on alloy steel, extending service life in harsh industrial environments.
• Superior tensile strength with a 140,000 psi rating and Class 10.9 grade, ensuring reliable performance under high-stress conditions.
• Optimized for high-torque applications featuring an 8mm hex drive and button head design for secure, flush installation without stripping.
• Precise and reliable threading with a fully threaded M12x1.75mm coarse metric thread and Class 6g fit for consistent engagement and vibration resistance.
• Enhanced durability and hardness at Rockwell C32, providing excellent wear resistance and reducing fastener failure.
• Broad industrial compliance meeting ISO 7380, RoHS 3, and REACH standards, ensuring safety and environmental responsibility.
• Versatile right-hand thread design simplifies installation and is compatible with standard metric coarse threaded components.

Professional Applications & Engineering Value

This M12 hex button head screw is engineered to address critical challenges in heavy machinery, automotive, and structural assemblies where vibration loosening and corrosion are common. The black-oxide alloy steel construction provides a protective barrier against moisture and chemicals, significantly reducing maintenance needs. Its fully threaded metric coarse design with a Class 6g thread fit ensures rapid, secure fastening and uniform load distribution, minimizing the risk of joint failure. The rounded head profile and 8mm hex drive allow for low-profile, high-torque installations in confined spaces, making it ideal for equipment requiring both strength and a sleek finish. By adhering to ISO 7380 and environmental regulations, it delivers consistent performance and compliance for global industrial projects.

Specification Summary & Compliance

This fastener features precise metric coarse threading (M12x1.75mm) with a Class 6g thread fit per ISO standards, ensuring dimensional accuracy and interchangeability. Manufactured to ISO 7380 specifications, it guarantees consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for industrial use.