S-90201A230 5/16"-18 x 2" Extreme-Strength Grade 9 Steel Hex Head Screws
Extreme-Strength Grade 9 Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional load-bearing capacity with 180,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments
- Optimized thread engagement through UNC coarse threading and Class 2A fit ensures secure fastening and vibration resistance
- Enhanced durability with Rockwell C38 hardness maintaining structural integrity under repeated stress
- Easy installation and removal with external hex drive design allowing standard wrench access
- Versatile partial threading enabling precise clamping force control across various material thicknesses
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these Grade 9 hex head screws deliver exceptional performance in construction, heavy machinery, and structural assemblies. The steel construction combined with zinc yellow-chromate plating provides superior protection against corrosion and environmental degradation, significantly reducing maintenance costs. The 5/16"-18 UNC coarse threading with Class 2A fit ensures rapid installation and reliable grip in various materials, while the partial threading design allows for optimal stress distribution. With 180,000 psi tensile strength and Rockwell C38 hardness, these external hex drive fasteners withstand extreme vibration and dynamic loads, making them ideal for critical connections where failure is not an option.
Specification Summary & Compliance
This 2-inch hex head screw features precise Class 2A thread fit with 5/16"-18 UNC coarse threading and partial threading configuration. Manufactured to Grade 9 strength standards with Rockwell C38 hardness and 180,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.
