S-95479A145 1 1/4"-7 ASME B18.2.2 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
- Superior corrosion resistance from the black oxide coating, extending service life in demanding industrial environments
- High tensile strength from Grade 5 steel construction, ensuring reliable performance under heavy loads and vibration
- Excellent thread engagement with Class 2B fit, providing secure fastening and reducing the risk of cross-threading
- Wide compatibility with UNC coarse threads, allowing for quick assembly and disassembly in various applications
- Standard external hex drive design for easy installation using common tools, improving workflow efficiency
- Full compliance with ASME B18.2.2 specifications, guaranteeing dimensional accuracy and interchangeability
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory standards
Professional Applications & Engineering Value
This Grade 5 Black Oxide Steel Hex Nut delivers exceptional engineering value in heavy-duty industrial applications where vibration resistance and long-term reliability are critical. The 1 1/4"-7 UNC coarse thread design ensures rapid installation and robust holding power in structural steel, machinery assembly, and construction equipment. The black oxide surface treatment provides a durable barrier against rust and corrosion, significantly extending fastener life in harsh operating conditions. Manufactured to ASME B18.2.2 standards with precise Class 2B thread fit, this hex nut maintains consistent performance across high-stress applications while preventing premature failure and reducing maintenance costs.
Specification Summary & Compliance
This hex nut features 1 1/4"-7 UNC coarse threads with Class 2B thread fit for optimal engagement. Dimensions include 1 7/8" width and 1 1/16" height with standard external hex drive. Manufactured from Grade 5 steel with black oxide finish, it complies with ASME B18.2.2 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards.
