S-91280A758 M12 x 200 mm ISO 4014, DIN 931, 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 demanding applications, reducing the risk of fastener failure.
• Superior corrosion resistance with zinc plating protects against rust and environmental damage, extending service life in harsh conditions.
• High-strength Class 8.8 steel construction provides excellent durability and load-bearing capacity for heavy-duty industrial use.
• Coarse metric thread (M12 x 1.75 mm) allows for quick and easy installation, saving time and labor costs in assembly operations.
• Partially threaded design offers optimal grip and clamping force where needed, enhancing joint stability in structural applications.
• Precise Class 6h thread fit ensures smooth engagement with nuts and threaded holes, minimizing cross-threading and improving assembly reliability.
• Compliance with ISO 4014 and DIN 931 standards guarantees consistent quality and interchangeability, facilitating global procurement and supply chain efficiency.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M12 hex head screw addresses critical fastening challenges in machinery, construction, and equipment assembly. The Class 8.8 steel material and Rockwell C21 hardness provide robust resistance to shear and tensile stresses, preventing loosening under dynamic loads. With a coarse thread pitch and partial threading, it ensures rapid installation and secure clamping in thick materials, reducing assembly time while maintaining joint integrity. The zinc-plated finish combats corrosion in outdoor or humid environments, making it ideal for structural frameworks, automotive components, and industrial machinery where reliability and longevity are paramount. This metric bolt delivers consistent performance, meeting rigorous ISO 4014 and DIN 931 specifications for precision and safety.

Specification Summary & Compliance

This screw features a Class 6h thread fit per ISO standards, ensuring dimensional accuracy and compatibility. It complies with ISO 4014, DIN 931, and ISO 898 for mechanical properties, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming it is free from hazardous substances and safe for industrial use.