S-90580A823 1 1/8"-7 ASTM A563 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 with hot-dipped galvanized steel coating, ideal for harsh industrial environments
- Enhanced durability and load distribution from the extra wide hex profile, reducing the risk of stripping or loosening
- Reliable thread engagement with Class 2B fit and coarse UNC threads, ensuring easy assembly and vibration resistance
- High-strength performance meeting ASTM Grade C standards, suitable for heavy-duty applications
- Compliance with industry standards including ASTM A563 and RoHS 3, guaranteeing quality and safety
- External hex drive design for straightforward installation using common tools, saving time and labor
- Right-hand threading for standard use in machinery, construction, and equipment assembly
Professional Applications & Engineering Value
This heavy-duty hex nut is engineered with hot-dipped galvanized steel and an extra wide profile to address common industrial challenges like corrosion, high stress, and vibration. The coarse UNC thread and Class 2B fit provide secure fastening in demanding settings such as structural steelwork, heavy machinery, and outdoor equipment, where exposure to moisture and chemicals can compromise integrity. By combining ASTM A563 compliance and ASTM Grade C strength, it ensures long-term reliability, reducing maintenance needs and downtime in applications like bridges, agricultural implements, and industrial assembly lines. The external hex drive allows for quick, tool-friendly installation, enhancing efficiency in B2B procurement and project timelines.
Specification Summary & Compliance
This nut features precise dimensions: thread size of 1 1/8"-7 UNC with coarse spacing, width of 1 3/4", height of 1 7/64", and a Class 2B thread fit for consistent performance. It meets ASTM A563 specifications and ASTM Grade C strength requirements, ensuring adherence to industrial standards. Additionally, it is RoHS 3 (2015/863/EU) compliant, supporting environmental and safety regulations in global supply chains.
