S-94819A409 1 1/8"-7 ASTM F594 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Reliable coarse threading for faster assembly and reduced risk of cross-threading in industrial applications
• Consistent performance ensured by Class 2B thread fit, providing optimal engagement with mating components
• High-strength durability meeting ASTM F594 standards for demanding mechanical and structural assemblies
• Secure external hex drive design allows for high torque application with standard tools
• Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries
• Standard inch dimensions (1 11/16" width, 31/32" height) ensure compatibility with existing equipment and fasteners

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 1 1/8"-7 UNC hex nuts provide critical corrosion resistance where other fasteners fail. The 316 stainless steel composition offers exceptional protection against chlorides and chemical exposure, making them ideal for marine, chemical processing, and food industry applications. The coarse thread design ensures rapid installation and superior vibration resistance in heavy machinery and structural frameworks. With external hex drive compatibility, maintenance teams can achieve proper clamping force using standard tools, reducing installation time and improving workplace safety. These ASTM F594 compliant nuts deliver consistent performance in high-stress applications where fastener failure is not an option.

Specification Summary & Compliance

This hex nut features 1 1/8"-7 UNC coarse threads with Class 2B thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy and reliable mating. Manufactured in compliance with ASTM F594 specifications for stainless steel nuts, it maintains consistent mechanical properties. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, containing no substances of very high concern above threshold limits. Dimensions include 1 11/16" width across flats and 31/32" height with standard hex nut profile.