S-94819A149 1/2"-20 ASTM F594 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments including marine and chemical applications.
• Precise thread engagement with Class 2B fit and UNF fine thread (1/2"-20), ensuring reliable, vibration-resistant connections.
• Certified mechanical performance meeting ASTM F594 standards, guaranteeing consistent strength and durability.
• Easy installation and removal with a standard external hex profile (3/4" width) for common wrench use.
• Compliance with global safety regulations, including RoHS 3 and REACH, for unrestricted industrial use.
• Right-hand thread design for standard assembly processes, reducing installation errors.
• Optimized dimensions (7/16" height) providing a balanced profile for space-constrained applications.

Professional Applications & Engineering Value

This 1/2"-20 UNF hex nut in 316 Stainless Steel addresses critical challenges in demanding sectors like marine, chemical processing, and food equipment. Its fine thread and Class 2B thread fit deliver superior clamp load retention and vibration resistance, preventing loosening under dynamic loads. The ASTM F594 certification ensures material integrity and mechanical properties, while the external hex drive allows for efficient torque application with standard tools. Engineered for longevity in corrosive environments, it reduces maintenance frequency and downtime, making it a cost-effective solution for industrial applications requiring reliable, compliant fasteners.

Specification Summary & Compliance

This hex nut features a 1/2"-20 UNF fine thread with Class 2B thread fit for precise tolerance, manufactured to ASTM F594 specifications. Dimensions include a width of 3/4" and height of 7/16". It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.