S-92620A798 5/8"-11 x 1 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 for critical structural applications
- Superior corrosion resistance through zinc yellow-chromate plating, extending service life in harsh environments
- Optimized torque transmission via external hex drive design for secure installation and removal
- Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent fastening performance
- Maximum thread coverage through fully threaded design for enhanced grip strength along entire length
- Premium material integrity with Grade 8 steel and Rockwell C33 hardness for repeated use without deformation
- Industry-standard compatibility meeting ASME B18.2.1 and SAE J429 specifications for engineering confidence
Professional Applications & Engineering Value
These Grade 8 hex head screws deliver critical performance where high tensile strength and corrosion resistance are paramount. The zinc yellow-chromate plated finish provides superior protection against oxidation and chemical exposure in industrial environments, while the 5/8"-11 UNC coarse thread design ensures rapid installation and reliable holding power in heavy machinery, structural steel connections, and equipment assembly. The external hex drive configuration allows for high-torque application without stripping, making these fully threaded screws ideal for applications requiring uniform clamping force distribution across the entire 1 1/2" length. Engineered to withstand extreme vibration and dynamic loads, these fasteners solve critical challenges in construction, manufacturing, and automotive sectors where failure is not an option.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse thread specifications ensuring consistent performance across industrial applications. 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, confirming safe use in regulated industries. The inch system measurement provides compatibility with North American machinery and equipment specifications.
