S-92620A583 5/16"-18 x 1" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 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 capability with 150,000 psi tensile strength for critical structural applications
- Superior corrosion resistance through zinc yellow-chromate plating, extending service life in harsh environments
- Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent assembly performance
- Maximum hardness durability at Rockwell C33 to prevent stripping and maintain fastener integrity
- Full-length threading provides complete engagement along the entire 1" shaft for superior holding power
- Industrial-grade compliance meeting ASME B18.2.1 and SAE J429 specifications for quality assurance
- External hex drive design allows for high-torque installation with standard tools
Professional Applications & Engineering Value
These Grade 8 hex head screws deliver critical performance in demanding industrial environments where fastener failure is not an option. The steel construction combined with zinc yellow-chromate plating creates a robust barrier against corrosion, making them ideal for outdoor equipment, machinery assemblies, and structural frameworks exposed to moisture and chemicals. The UNC coarse thread pattern ensures rapid installation and superior resistance to vibration loosening, while the external hex drive accommodates high-torque applications without cam-out concerns. Engineered to ASME B18.2.1 standards, these fully threaded fasteners provide consistent clamping force across the entire engagement length, solving common challenges of joint integrity in heavy-duty applications.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance for reliable assembly compatibility. These 5/16"-18 UNC threaded fasteners comply with ASME B18.2.1 and SAE J429 Grade 8 specifications, ensuring consistent quality and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements, making them suitable for regulated industries and international projects.
