S-90201A323 3/8"-16 x 2" Extreme-Strength Grade 9 Steel Hex Head Screws
Extreme-Strength Grade 9 Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional load-bearing capacity with Grade 9 classification and 180,000 psi tensile strength for demanding industrial applications
- Superior corrosion resistance through zinc yellow-chromate plating that extends service life in harsh environments
- Optimized thread engagement with Class 2A thread fit ensuring reliable fastening and vibration resistance
- Enhanced installation efficiency featuring external hex drive design for secure tool engagement and torque application
- Reduced cross-threading risk with UNC coarse threading that facilitates quicker assembly in tough materials
- Precision engineering compliance meeting RoHS 3 and REACH environmental regulations for global industrial use
- Controlled thread distribution through partial threading that concentrates strength where needed most
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 9 hex head screws deliver exceptional performance in construction machinery, structural steel connections, and high-vibration equipment. The zinc yellow-chromate plated steel construction provides superior corrosion protection in challenging environments while maintaining Rockwell C38 hardness to prevent deformation under extreme loads. The 3/8"-16 UNC coarse threading ensures rapid installation in thick materials and structural components, while the partial threading design optimizes clamp load distribution. These industrial hex bolts solve critical fastening challenges where failure is not an option, offering reliable performance in automotive frames, industrial machinery, and infrastructure projects that demand 180,000 psi tensile strength and consistent torque retention.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent performance. Features UNC coarse threading with 3/8"-16 thread size and 2" length configuration. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The external hex drive design meets industry-standard tooling requirements for reliable installation in high-torque applications.