S-98498A121 M52 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional load distribution thanks to the extra wide 85mm profile, reducing surface pressure and preventing joint failure in heavy machinery.
• Superior strength and reliability with ASTM Grade 2H steel construction, ensuring consistent performance under high stress and vibration.
• Precise and secure fastening achieved with a Class 6H thread fit, minimizing the risk of cross-threading and ensuring long-term joint integrity.
• Optimized for coarse thread applications with a 5mm pitch, enabling quicker assembly and disassembly in industrial maintenance and construction.
• Compliance with rigorous industry standards including ASTM A194, guaranteeing material quality and manufacturing consistency for critical projects.
• Enhanced environmental and workplace safety through full REACH and RoHS 3 compliance, supporting sustainable and responsible sourcing.
• Versatile external hex drive design for easy installation with standard tools, improving efficiency in automated or manual assembly lines.

Professional Applications & Engineering Value

This M52 hex nut is engineered to address common challenges in heavy-duty industrial applications, such as structural steelwork, mining equipment, and large-scale machinery assembly. The ASTM Grade 2H steel construction provides high tensile strength and fatigue resistance, crucial for withstanding dynamic loads and extreme operating conditions. Its extra wide profile significantly increases the bearing surface, distributing clamp load more evenly to prevent bolt loosening and material deformation. The coarse metric thread with a 5mm pitch ensures robust engagement, even in environments with debris or corrosion, reducing maintenance downtime. By integrating Class 6H thread fit and external hex drive, this nut delivers reliable, repeatable fastening that meets the precision demands of engineering and construction sectors, enhancing overall project safety and longevity.

Specification Summary & Compliance

This hex nut features an M52 x 5mm coarse thread with a Class 6H thread fit per ISO standards, ensuring dimensional accuracy and interchangeability. It is manufactured in compliance with ASTM A194 for heavy-duty nuts and ASTM Grade 2H for material strength, confirming its suitability for high-pressure applications. The product is REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliant, adhering to environmental and safety regulations. With an 85mm width and 52mm height, it is designed for maximum load distribution and durability in industrial settings.