S-90775A031 3/8"-16 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 Alloy 20 Stainless Steel for extended service life in harsh chemical and acidic environments
- Reliable coarse thread engagement with UNC 3/8"-16 threading ensures quick assembly and reduced cross-threading risk
- Precise Class 2B thread fit delivers consistent clamping force and vibration resistance in demanding applications
- Standard external hex design provides familiar, tool-friendly installation with common wrenches
- RoHS 3 compliance meets strict environmental regulations for hazardous substance restrictions
- Robust dimensional profile (9/16" width, 21/64" height) maintains structural integrity under high torque loads
- Right-hand thread orientation offers compatibility with standard industrial equipment and components
Professional Applications & Engineering Value
Engineered for demanding industrial environments, this Alloy 20 Stainless Steel hex nut delivers exceptional performance where ordinary fasteners fail. The corrosion-resistant composition withstands sulfuric acid, phosphoric acid, and chloride exposure—making it ideal for chemical processing, pharmaceutical equipment, and marine applications. Its UNC coarse thread profile combined with Class 2B thread fit ensures rapid installation while maintaining vibration resistance in high-stress assemblies. The standard external hex drive accommodates common torque tools, streamlining maintenance operations in piping systems, valve assemblies, and processing equipment where reliability is critical.
Specification Summary & Compliance
This hex nut features 3/8"-16 UNC coarse threading with Class 2B thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy. Manufactured from Alloy 20 Stainless Steel with standard external hex profile measuring 9/16" across flats and 21/64" height. Fully compliant with RoHS 3 (2015/863/EU) regulations for hazardous substance restrictions, making it suitable for regulated industrial applications worldwide.
