S-90212A813 1 1/2"-8 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to the blue PTFE coating that protects against harsh industrial environments and chemicals
• Enhanced durability and high tensile strength from ASTM Grade 2H steel, ensuring reliable performance under heavy loads
• Easier installation and removal with the extra wide hex profile, providing better tool engagement and torque application
• Precise thread engagement with Class 2B fit and fine UN thread, minimizing the risk of cross-threading and ensuring secure fastening
• Reduced friction and galling due to the PTFE coating, which also acts as a dry lubricant for smoother assembly
• Compliance with industry standards including ASTM A194, guaranteeing material quality and manufacturing consistency
• Optimized for heavy-duty applications with its large 1 1/2"-8 thread size and robust construction, ideal for demanding mechanical assemblies

Professional Applications & Engineering Value

This 1 1/2"-8 fine thread hex nut is engineered to address common challenges in industrial settings, such as vibration loosening, corrosion, and high-stress fatigue. The blue PTFE-coated steel construction offers exceptional chemical resistance and a low-friction surface, reducing maintenance needs in aggressive environments like chemical processing, marine, or outdoor infrastructure. The extra wide profile enhances wrench access and torque capacity, crucial for large-diameter bolting in structural steel, heavy machinery, and pipeline systems. With its UN fine thread and Class 2B thread fit, it ensures precise alignment and vibration resistance, making it a reliable choice for applications where safety and longevity are paramount. This nut delivers consistent performance, meeting ASTM A194 specifications for high-pressure and high-temperature services.

Specification Summary & Compliance

This hex nut features a 1 1/2"-8 fine thread with Class 2B thread fit and right-hand thread direction, adhering to UN thread standards. It complies with ASTM A194 for material and manufacturing requirements and is rated ASTM Grade 2H for high strength. Dimensions include a width of 2 3/8" and height of 1 15/32". The product is designed for use in industrial applications and meets common industry standards for quality and performance.