S-95025A437 1 3/8"-6 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance through hot-dipped galvanized steel coating, ensuring long-term reliability in harsh industrial environments
• Superior load distribution with extra wide hex profile design, minimizing stress concentration and preventing joint failure
• Heavy-duty performance meeting ASTM Grade 2H strength requirements, suitable for high-tension applications
• Reliable coarse threading with UNC 1 3/8"-6 specification, providing quick assembly and reduced cross-threading risks
• Precise thread engagement with Class 2B fit, ensuring consistent performance and vibration resistance
• Regulatory compliance with RoHS 3 and REACH standards, meeting international environmental and safety requirements
• Industry-standard compatibility conforming to ASTM A194 specifications, guaranteeing interchangeability and quality assurance

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this heavy-duty hex nut combines ASTM Grade 2H mechanical properties with hot-dipped galvanized steel construction to address critical challenges in structural fastening. The extra wide profile significantly improves load distribution across connected surfaces, preventing material deformation in high-vibration environments such as heavy machinery, construction equipment, and infrastructure projects. The coarse UNC threading ensures rapid installation and disassembly while maintaining secure fastening, particularly valuable in maintenance operations where time efficiency is crucial. The Class 2B thread fit provides optimal clearance for reliable performance in temperature-fluctuating conditions, making this nut ideal for outdoor structures, marine applications, and industrial assembly lines where corrosion resistance and structural integrity are paramount.

Specification Summary & Compliance

This 1 3/8"-6 UNC hex nut features precise Class 2B thread fit tolerances and complies with ASTM A194 manufacturing standards for heavy hex nuts. The product meets ASTM Grade 2H strength classification requirements and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Physical dimensions include 2 3/16" width across flats and 1 11/32" height, manufactured with right-hand thread direction for standard industrial applications.