S-92865A288 5/8"-11 x 9 1/2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 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 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in various industrial environments
- Optimized thread engagement with UNC coarse threading and Class 2A fit for faster assembly and reduced cross-threading risk
- Enhanced durability from Rockwell C25 hardness, maintaining structural integrity under repeated stress
- Secure torque transmission via external hex drive design, preventing tool slippage during installation
- Full-length threading providing consistent holding power along the entire 9½" length
- Regulatory compliance assurance meeting ASME B18.2.1 and RoHS 3 standards for quality and environmental safety
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver critical engineering solutions for heavy-duty industrial applications where fastener failure is not an option. The combination of high-strength steel construction and zinc plating addresses common challenges in construction, machinery assembly, and structural frameworks by providing both exceptional tensile strength and corrosion protection. The 5/8"-11 UNC coarse thread configuration ensures rapid installation in thick materials while maintaining vibration resistance, while the external hex drive accommodates high-torque applications without stripping. These fully threaded fasteners distribute clamping force evenly across the entire length, making them ideal for critical joints in equipment manufacturing and infrastructure projects where reliability and ASME B18.2.1 compliance are paramount.
Specification Summary & Compliance
This 9½" hex head screw features precise Class 2A thread fit tolerances with 5/8"-11 UNC coarse threading and right-hand direction. Manufactured to Grade 5 specifications with Rockwell C25 hardness and 120,000 psi tensile strength. Compliant with ASME B18.2.1 standards where identified as SAE J429, and meets RoHS 3 (2015/863/EU) environmental regulations for restricted substances.
