S-92620A268 1"-14 x 8 1/2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 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 150,000 PSI tensile strength and Rockwell C33 hardness for reliable performance in high-stress industrial environments
- Superior corrosion resistance through zinc yellow-chromate plating that extends service life in demanding conditions
- Precise thread engagement with Class 2A fit and extra fine 1"-14 threading for secure fastening in critical applications
- Optimized torque transmission via external hex drive and 1 1/2" head width for easy installation with standard tools
- Enhanced structural stability with partially threaded design and 2 1/2" minimum thread length for controlled clamping force
- Industry compliance assurance meeting ASME B18.2.1 and SAE J429 standards for consistent quality and interchangeability
- Environmental regulation adherence with RoHS 3 and REACH compliance for global industrial use
Professional Applications & Engineering Value
This Grade 8 hex head screw delivers critical engineering solutions where vibration resistance and structural integrity are paramount. The extra fine 1"-14 thread configuration provides superior holding power in materials prone to stress cracking, while the partially threaded design ensures precise load distribution across joint interfaces. The zinc yellow-chromate plating creates a protective barrier against industrial corrosion, making it ideal for heavy machinery, structural steel connections, and manufacturing equipment. With its 150,000 PSI tensile strength and Rockwell C33 hardness, this fastener maintains clamping force under extreme dynamic loads, preventing joint failure in critical assembly applications where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to exacting Class 2A thread fit tolerances with UNS thread type and right-hand threading. Complies with ASME B18.2.1 dimensional specifications and SAE J429 mechanical requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. Features include 8 1/2" overall length, 1 1/2" hex head width, and 5/8" head height for standardized tool compatibility across industrial applications.
