S-95025A435 1 1/4"-7 ASTM A194 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from hot-dipped galvanized steel coating, ideal for harsh industrial environments
- Superior load distribution due to extra wide hex profile, reducing stress concentration and preventing joint failure
- High tensile strength meeting ASTM Grade 2H requirements, ensuring reliable performance under heavy loads
- Easy installation and removal with standard UNC coarse threading and external hex drive compatibility
- Precise thread engagement with Class 2B fit, minimizing cross-threading and ensuring secure fastening
- Compliance with industry standards including ASTM A194 for material quality and manufacturing consistency
- Environmental regulatory compliance with RoHS 3 and REACH, suitable for global industrial supply chains
Professional Applications & Engineering Value
This heavy-duty hex nut delivers critical engineering solutions where corrosion resistance and structural integrity are paramount. The hot-dipped galvanized steel construction provides a robust barrier against rust and chemical degradation in outdoor infrastructure, marine applications, and industrial machinery. The extra wide profile significantly increases bearing surface area, distributing clamp load more effectively across connected components to prevent material deformation and joint loosening under vibration or dynamic loads. With 1 1/4"-7 UNC coarse threads, installation is accelerated in field applications while maintaining secure fastening in structural steel connections, heavy equipment assembly, and construction projects requiring ASTM Grade 2H certified components.
Specification Summary & Compliance
This hex nut features 1 1/4"-7 UNC coarse threads with Class 2B thread fit for standard industrial applications. Manufacturing complies with ASTM A194 specifications for dimensional consistency and material properties. The product meets ASTM Grade 2H mechanical requirements for high-strength applications and demonstrates compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Physical dimensions include 2" width across flats and 1 7/32" height for the extra wide hex profile.
