S-90201A660 3/4"-10 x 5" 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 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 installation efficiency through external hex drive design and coarse UNC threading for faster assembly
- Precise thread engagement with Class 2A thread fit ensuring consistent fastening and vibration resistance
- Enhanced durability from Rockwell C38 hardness that maintains structural integrity under repeated stress
- Versatile partial threading allowing both secure clamping and adjustable positioning in various assemblies
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these Grade 9 hex head screws deliver critical performance where failure isn't an option. The steel construction with Rockwell C38 hardness provides exceptional resistance to deformation under extreme loads, while the zinc yellow-chromate plating creates a robust barrier against corrosion in outdoor or chemically aggressive settings. The 3/4"-10 UNC coarse threading with Class 2A fit ensures rapid installation in structural steel, heavy machinery, and construction applications where vibration resistance and precise clamping force are paramount. The partial threading design allows for both secure fastening and adjustable positioning, making these industrial fasteners ideal for equipment manufacturing, bridge construction, and industrial maintenance where reliability cannot be compromised.
Specification Summary & Compliance
This 5" length hex head screw features 3/4"-10 UNC coarse thread with Class 2A thread fit precision manufactured to inch system standards. The fastener meets Grade 9 strength classification with verified 180,000 psi tensile strength and Rockwell C38 hardness. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for regulated industrial applications worldwide.
