S-90570A725 1/2"-13 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 durability with Grade 5 steel construction, providing reliable performance in high-stress environments
- Enhanced grip and torque application due to the extra wide hex profile, reducing tool slippage during installation
- Secure left-hand threading prevents loosening in counter-rotating machinery and specialized equipment
- Coarse UNC thread design ensures quick assembly and resistance to debris in industrial settings
- Precise Class 2B thread fit guarantees consistent engagement and vibration resistance with mating bolts
- Compliance with RoHS 3 and REACH ensures environmental safety and meets international regulatory standards
- Heavy-duty build with 7/8" width and 31/64" height for robust load distribution in demanding applications
Professional Applications & Engineering Value
This Grade 5 steel hex nut with left-hand UNC coarse threads is engineered to address critical challenges in industrial and mechanical systems. The extra wide profile enhances wrench contact, minimizing rounding and enabling higher torque application without failure—ideal for heavy machinery, automotive, and construction equipment where vibration and reverse rotation are concerns. Its Class 2B thread fit ensures reliable fastening in high-vibration environments, reducing maintenance needs. Made from robust steel, it offers excellent tensile strength and corrosion resistance, supporting long-term reliability in demanding applications such as conveyor systems, agricultural machinery, and industrial assemblies requiring left-hand threaded security.
Specification Summary & Compliance
This nut adheres to UNC coarse thread standards with a 1/2"-13 thread size and Class 2B thread fit for precise dimensional accuracy. Manufactured to Grade 5 strength specifications, it ensures consistent performance under load. The product is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting stringent environmental and safety regulations for industrial use.
