S-92865A314 7/16"-20 x 1 1/4" 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 Grade 5 classification and 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion protection through zinc plating, extending service life in harsh industrial environments
- Precision UNF fine threading ensures secure fastening with Class 2A thread fit for consistent engagement and vibration resistance
- Optimized hex head design with 5/8" width and 9/32" height provides excellent torque transmission and tool access
- Full threading along 1 1/4" length offers maximum adjustment flexibility and uniform stress distribution
- Right-hand thread orientation with external hex drive enables straightforward installation using standard tools
- Rockwell C25 hardness maintains structural integrity under repeated loading and extreme conditions
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver critical engineering solutions where high tensile strength and vibration resistance are paramount. The UNF fine thread configuration provides superior clamping force distribution compared to coarse threads, making these steel fasteners ideal for precision machinery, structural assemblies, and heavy equipment where joint integrity cannot be compromised. The zinc plating creates a sacrificial barrier against oxidation and chemical exposure, significantly extending service life in manufacturing facilities, construction sites, and outdoor applications. With their external hex drive and fully threaded design, these screws offer installation efficiency and maximum thread engagement depth for critical connections in automotive, industrial machinery, and infrastructure projects.
Specification Summary & Compliance
Manufactured to exacting Class 2A thread fit tolerances with UNF fine thread specification (7/16"-20). Complies with ASME B18.2.1 and SAE J429 standards for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring safe use across regulated industries.
