S-90521A225 3/8"-16 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
- Exceptional load distribution with extra wide profile for enhanced stability in high-vibration environments
- Superior strength performance meeting ASTM Grade 2H requirements for heavy-duty applications
- Reliable coarse threading with UNC 3/8"-16 specification for quick assembly and reduced cross-threading risk
- Precise Class 2B thread fit ensuring smooth engagement and consistent clamping force
- Robust steel construction providing excellent durability and corrosion resistance
- Compliance with environmental standards including RoHS 3 and REACH for safe industrial use
- External hex drive design for easy installation with standard tools and secure torque application
Professional Applications & Engineering Value
This Grade 2H heavy-duty hex nut delivers exceptional engineering value through its extra wide profile and ASTM A194 compliance, specifically designed to address critical industrial fastening challenges. The 3/8"-16 UNC coarse thread configuration prevents loosening under dynamic loads while facilitating rapid assembly in time-sensitive production environments. Manufactured from high-grade steel, this fastener maintains structural integrity in demanding applications including heavy machinery, construction equipment, and industrial infrastructure where vibration resistance and long-term reliability are paramount. The Class 2B thread fit ensures consistent performance across multiple installation cycles, reducing maintenance downtime and replacement costs.
Specification Summary & Compliance
This hex nut features precise Class 2B thread fit with UNC 3/8"-16 coarse threading and right-hand thread direction. Manufactured to ASTM A194 specifications with Grade 2H strength classification, it delivers reliable performance in inch system applications. Dimensions include 11/16" width and 23/64" height. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global industrial markets.