S-94485A033 1/2"-13 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Superior load distribution with an extra wide hex profile, reducing stress concentration and preventing joint failure in high-vibration environments.
• Exceptional strength and reliability from ASTM Grade 7 certified steel, ensuring consistent performance under heavy loads and extreme conditions.
• Effortless installation and removal thanks to the coarse UNC threading and Class 2B fit, minimizing cross-threading risks and speeding up assembly.
• Enhanced durability and corrosion resistance through high-quality steel construction, extending service life in demanding industrial applications.
• Broad compatibility with 1/2"-13 UNC bolts and standard wrenches, simplifying inventory and reducing procurement complexity.
• Reliable performance assurance by meeting ASTM A194 specifications, guaranteeing material quality and manufacturing consistency.
• Secure external hex drive design for easy torque application, ensuring tight, stable fastening without slippage.

Professional Applications & Engineering Value

This heavy-duty extra wide hex nut is engineered to address critical challenges in structural and machinery applications where vibration, dynamic loads, and environmental stressors are common. The ASTM Grade 7 steel construction provides high tensile strength, resisting deformation and fatigue under repetitive stress. Its extra wide profile increases the bearing surface, distributing clamp load more evenly to prevent surface damage and loosening in assemblies like heavy equipment, construction frameworks, and industrial machinery. The coarse UNC thread with Class 2B fit ensures quick, reliable engagement with mating bolts, reducing installation time and minimizing the risk of thread galling. Compliant with ASTM A194, this nut delivers consistent quality for demanding industrial uses, offering long-term reliability and reduced maintenance needs.

Specification Summary & Compliance

This hex nut features precise 1/2"-13 UNC coarse threads with a Class 2B thread fit for standard tolerance and easy assembly. Dimensions include a 7/8" width and 31/64" height, with right-hand thread direction and external hex drive. Manufactured from high-strength steel, it complies with ASTM A194 material specifications and is rated ASTM Grade 7 for assured mechanical properties. The product adheres to industry standards for dimensional accuracy and is suitable for applications requiring reliable, heavy-duty fastening solutions.