S-94252A722 7/8"-9 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior load distribution due to the extra wide hex profile, reducing stress concentration and preventing joint failure
• High strength reliability meeting ASTM A194 Grade 8 standards, ensuring dependable performance under extreme mechanical stress
• Easy installation and removal with coarse UNC threads and Class 2B fit, providing smooth engagement and reducing assembly time
• Enhanced vibration resistance from the right-hand thread design, maintaining secure fastening in dynamic applications
• Optimized torque application with the external hex drive style, allowing for precise tightening with standard tools
• Long-term durability in inch-system applications, backed by precise dimensions (1 7/16" width, 55/64" height) for consistent fit

Professional Applications & Engineering Value

This heavy hex nut is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosion degradation. The 18-8 stainless steel material offers excellent resistance to rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing equipment. Its extra wide profile distributes clamping force more evenly, reducing the risk of damage to connected components and extending service life. The coarse UNC thread with Class 2B fit ensures quick, reliable assembly in high-volume production lines, while the ASTM A194 Grade 8 certification guarantees it can handle heavy loads in construction, machinery, and transportation systems without compromising integrity.

Specification Summary & Compliance

This nut adheres to ASTM A194 Grade 8 specifications for high-strength applications, with threads conforming to UNC coarse standards and Class 2B tolerance for consistent fit. It meets dimensional requirements (1 7/16" width, 55/64" height) and is manufactured in compliance with industry norms, including potential RoHS and REACH directives for material safety. The right-hand thread direction and external hex drive align with common assembly practices, ensuring broad compatibility in inch-system fastening.