S-95025A455 2"-4 1/2 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with hot-dipped galvanized steel construction, ensuring long-term reliability in harsh industrial environments
• Superior load distribution from the extra wide profile, reducing surface pressure and preventing material damage in heavy-duty applications
• High-strength performance meeting ASTM Grade 2H specifications, providing reliable clamping force for critical connections
• Easy installation and removal with coarse UNC threads and Class 2B thread fit, minimizing cross-threading risks in field applications
• Industry-standard compliance with ASTM A194 manufacturing specifications, ensuring consistent quality and interchangeability
• Enhanced grip surface with external hex drive design, allowing for secure tool engagement during high-torque applications
• Environmental responsibility through RoHS 3 and REACH compliance, meeting modern regulatory requirements for industrial components

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these extra wide hex nuts provide critical solutions for structural connections subject to vibration and heavy loads. The hot-dipped galvanized steel construction offers superior protection against corrosion in outdoor or chemically aggressive environments, significantly extending service life and reducing maintenance costs. The coarse UNC threads combined with Class 2B thread fit ensure reliable engagement with mating components while accommodating minor misalignments common in field assembly. Particularly valuable in construction, heavy machinery, and infrastructure projects where ASTM Grade 2H strength and extra wide profile distribute clamping forces effectively across larger surface areas, preventing joint failure and maintaining structural integrity under extreme conditions.

Specification Summary & Compliance

These inch system hex nuts feature precise 2"-4 1/2 UNC coarse threads with Class 2B thread fit for consistent engagement and optimal performance. Manufacturing complies with ASTM A194 specifications for heavy hex nuts, ensuring dimensional accuracy and mechanical properties. The nuts meet ASTM Grade 2H strength requirements for high-strength applications. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming they're free from restricted substances. Physical dimensions include 3 1/8" width and 1 31/32" height with right-hand thread direction for standard industrial use.