S-94485A038 1"-8 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional load distribution thanks to the extra wide hex profile, reducing surface pressure and preventing damage to connected materials
• Superior strength and reliability from ASTM Grade 7 steel construction, capable of withstanding high-stress industrial environments
• Quick and secure installation with coarse UNC threads and Class 2B thread fit, ensuring smooth engagement and vibration resistance
• Enhanced durability through compliance with ASTM A194 specifications, guaranteeing consistent performance in demanding applications
• Optimized torque transmission with the external hex drive design, allowing for efficient tightening with standard tools
• Robust dimensional stability with precise 1"-8 thread size and 1 5/8" width, maintaining integrity under heavy loads
• Wide compatibility with right-hand thread direction and inch measurement system, suitable for various North American industrial equipment

Professional Applications & Engineering Value

This heavy-duty hex nut delivers critical engineering value in applications where vibration resistance and structural integrity are paramount. The ASTM Grade 7 steel construction provides exceptional tensile strength for heavy machinery, construction equipment, and infrastructure projects where failure is not an option. The extra wide profile significantly increases bearing surface area, distributing clamping force more effectively to prevent joint loosening and material deformation. Combined with coarse UNC threads and Class 2B thread fit, this nut ensures reliable performance in high-vibration environments while maintaining easy installation and removal. The external hex drive accommodates standard wrenching tools, streamlining assembly processes in manufacturing, mining, and energy sectors where downtime costs are critical.

Specification Summary & Compliance

This hex nut features precise 1"-8 UNC coarse threads with Class 2B thread fit for consistent engagement and optimal clearance. Manufacturing complies with ASTM A194 specifications for heavy-duty nuts, ensuring material quality and dimensional accuracy. The fastener meets ASTM Grade 7 strength requirements for high-performance applications. Dimensions include 1 5/8" width across flats and 63/64" height for proper seating and torque transmission. The nut is manufactured to inch system standards and features right-hand thread direction for compatibility with common industrial components.