S-90002A113 3/8"-16 x 3/4" ASME B18.2.1, SAE J429 High-Strength Steel Hex Head Screws with Material Certification
High-Strength Steel Hex Head Screws with Material Certification
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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
- Maximum load-bearing capability with 150,000 PSI tensile strength for critical structural applications
- Enhanced corrosion protection through zinc yellow-chromate plating in demanding environments
- Superior hardness and wear resistance with Rockwell C33 rating for extended service life
- Reliable thread engagement with Class 2A fit and UNC coarse threads for faster assembly
- Industrial-grade material integrity using high-strength steel meeting Grade 8 specifications
- Full-thread design versatility allowing installation at any point along the fastener length
- Standard-compliant performance adhering to ASME B18.2.1 and SAE J429 for quality assurance
Professional Applications & Engineering Value
This Grade 8 hex head screw delivers exceptional engineering value in heavy machinery, construction equipment, and industrial assembly applications where high tensile strength and corrosion resistance are critical. The combination of 150,000 PSI tensile strength and Rockwell C33 hardness ensures reliable performance under extreme vibration and load conditions, while the zinc yellow-chromate plating provides superior protection against rust and environmental degradation. The external hex drive design allows for high-torque installation, and the UNC coarse threads with Class 2A fit enable quick, secure fastening in structural steel connections and heavy-duty equipment assemblies where failure is not an option.
Specification Summary & Compliance
This 3/8"-16 x 3/4" hex head screw features Class 2A thread fit with UNC coarse threading and full threading along the entire shank. Manufactured to meet ASME B18.2.1 and SAE J429 Grade 8 specifications, ensuring dimensional accuracy and mechanical properties for industrial applications. The fastener complies with industry standards for high-strength steel fasteners and features zinc yellow-chromate plating for enhanced corrosion protection in various operating environments.
