S-92620A417 10-32 x 3/4" 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 capability with 150,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments
- Precise thread engagement with Class 2A fit and UNF fine threads ensuring secure, vibration-resistant connections
- Optimized torque transmission through the external hex drive design, allowing for efficient installation with standard tools
- Enhanced durability from Rockwell C33 hardness, maintaining structural integrity under repeated stress
- Full threading coverage along the 3/4" length for maximum grip and uniform load distribution
- Industry-standard compliance with SAE J429 specifications, guaranteeing consistent quality and performance
Professional Applications & Engineering Value
These Grade 8 hex head screws deliver critical reliability in heavy machinery, automotive assemblies, and structural frameworks where high tensile strength and corrosion resistance are paramount. The zinc yellow-chromate finish protects against oxidation and chemical exposure, while the UNF fine threads and Class 2A fit provide precise, secure fastening that resists loosening under vibration. Engineered to SAE J429 standards, these fully threaded steel screws ensure consistent performance in critical industrial fastening applications, reducing maintenance needs and enhancing operational safety.
Specification Summary & Compliance
This 10-32 UNF hex head screw features Class 2A thread fit with fine thread spacing, manufactured to SAE J429 specifications for Grade 8 fasteners. The inch-system product maintains dimensional accuracy with a 3/4" length, 5/16" head width, and right-hand threading. The zinc yellow-chromate plating meets industry corrosion protection standards, while the material and processing comply with relevant industrial regulations for heavy-duty applications.
