S-90201A327 3/8"-16 x 2 1/2" 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 capability with 180,000 psi tensile strength for reliable performance in heavy-duty applications
- Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments
- Optimized thread engagement through Class 2A thread fit and UNC coarse threading for secure fastening and vibration resistance
- High-strength Grade 9 classification with Rockwell C38 hardness ensuring durability under extreme mechanical stress
- Enhanced torque transmission via external hex drive design for efficient installation with standard tools
- Versatile partial threading allowing for both clamping and alignment functions in structural assemblies
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
These Grade 9 hex head screws deliver critical engineering solutions where high tensile strength and corrosion resistance are paramount. The zinc yellow-chromate plated steel construction provides exceptional protection against environmental degradation, while the 3/8"-16 UNC coarse thread configuration ensures rapid installation and reliable performance in vibrating environments. The partially threaded design offers precise clamping control in structural steel connections, machinery assembly, and heavy equipment manufacturing. With 180,000 psi tensile strength and Rockwell C38 hardness, these industrial hex screws maintain integrity under extreme loads, making them ideal for construction, automotive, and manufacturing applications requiring heavy-duty fastening solutions that withstand demanding operational conditions.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent performance. Features 3/8"-16 UNC coarse thread specification with right-hand threading and partial threading configuration. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial markets and environmentally conscious manufacturing processes.
