S-97619A110 5/16"-18 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
- Superior corrosion resistance in harsh environments thanks to premium 316 Stainless Steel construction
- Exceptional strength and reliability for heavy-duty applications, backed by the ASTM Grade 8M strength rating
- Enhanced torque distribution and reduced risk of stripping due to the extra wide hex nut profile
- Secure and consistent fit with Class 2B thread fit, ensuring proper engagement with mating components
- Wide compatibility and easy assembly with 5/16"-18 UNC coarse right-hand threads, common in industrial settings
- Compliance with strict industry standards including ASTM A194, ensuring manufacturing quality and performance
- Environmentally responsible sourcing with RoHS 3 and REACH compliance, meeting global regulatory requirements
Professional Applications & Engineering Value
This heavy-duty hex nut is engineered to address critical challenges in demanding industrial environments. The 316 Stainless Steel material offers outstanding resistance to corrosion from chemicals, saltwater, and extreme temperatures, making it ideal for marine, chemical processing, and outdoor infrastructure applications. The extra wide profile provides a larger bearing surface, distributing clamping force more evenly and reducing the risk of damage to connected parts under high vibration or load. Combined with UNC coarse threads and Class 2B thread fit, it ensures quick, reliable assembly and long-term performance in machinery, structural frameworks, and heavy equipment where ASTM Grade 8M strength is essential for safety and durability.
Specification Summary & Compliance
This hex nut features a 5/16"-18 UNC coarse thread with Class 2B thread fit for precise, reliable fastening. Dimensions include a width of 9/16" and height of 19/64", adhering to the ASTM A194 specification for heavy hex nuts. It is manufactured from 316 Stainless Steel and meets ASTM Grade 8M mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted substances and suitable for global industrial use.
