S-90002A135 3/4"-10 x 2" 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
- Superior corrosion resistance through zinc yellow-chromate plating that withstands harsh industrial environments
- Enhanced durability with Rockwell C33 hardness that maintains structural integrity under extreme conditions
- Reliable thread engagement with UNC coarse threading and Class 2A fit for secure fastening in demanding applications
- Industry-standard compliance meeting ASME B18.2.1 and SAE J429 specifications for quality assurance
- Optimal torque transmission through external hex drive design that prevents stripping during installation
- Full-thread coverage along the 2" length for maximum grip and load distribution
Professional Applications & Engineering Value
This Grade 8 hex head screw delivers exceptional engineering value in heavy machinery, structural steel connections, and industrial equipment assembly where failure is not an option. The zinc yellow-chromate plated steel construction provides critical corrosion protection in outdoor or chemically aggressive environments, while the UNC coarse thread design ensures rapid installation and reliable performance in vibration-prone applications. The combination of 150,000 psi tensile strength and Rockwell C33 hardness makes this fastener ideal for high-stress applications where material fatigue and joint integrity are primary concerns. The external hex drive facilitates high-torque installation without compromising the fastener's structural performance.
Specification Summary & Compliance
This 3/4"-10 x 2" hex head screw features Class 2A thread fit tolerance for precise engagement and UNC coarse thread specification (10 threads per inch). Manufactured to meet ASME B18.2.1 dimensional standards and SAE J429 material and mechanical property requirements for Grade 8 fasteners. The product maintains compliance with industry standards for dimensional accuracy, mechanical properties, and performance characteristics suitable for critical industrial applications.
