S-91280A760 M12 x 90 mm ISO 4017, DIN 933, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 110,000 psi ensures reliable performance in high-stress applications, preventing fastener failure.
• Superior corrosion resistance from the zinc plating protects against rust and extends service life in harsh industrial environments.
• High-grade Class 8.8 steel construction with Rockwell C21 hardness provides excellent durability and resistance to wear and deformation.
• Fully threaded design allows for maximum grip and uniform clamping force along the entire 90mm length for secure fastening.
• Coarse 1.75mm pitch thread with Class 6h fit enables quick and easy installation while maintaining precise thread engagement.
• External hex drive head (19mm width) offers straightforward installation and removal with standard tools, improving assembly efficiency.
• Compliance with international standards including DIN 933 and ISO 4017 ensures consistent quality and interchangeability in global projects.

Professional Applications & Engineering Value

This M12 hex head screw is engineered to address critical challenges in industrial and construction applications where vibration, heavy loads, and environmental exposure are common. The Class 8.8 steel and fully threaded metric design provide robust fastening for machinery, structural frames, and equipment assemblies, minimizing the risk of loosening under dynamic stresses. The zinc plated finish offers an essential barrier against moisture and chemicals, reducing maintenance needs in demanding settings like manufacturing plants and outdoor installations. With its coarse thread pitch and external hex drive, it ensures rapid, reliable installation, saving time and labor costs while meeting stringent DIN 933 and ISO 4017 specifications for precision and safety.

Specification Summary & Compliance

This fastener features a metric M12 x 1.75mm coarse thread with Class 6h thread fit for precise dimensional accuracy, adhering to ISO 4017 and DIN 933 standards. It complies with ISO 898 for mechanical properties, ensuring consistent strength and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental and safety compliance for use in various industrial sectors.