S-92865A433 5/8"-18 x 1 1/2" 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
- Superior load-bearing capacity with 120,000 psi tensile strength for reliable performance in high-stress applications
- Enhanced corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Precise thread engagement with Class 2A UNF fine threads ensuring secure fastening and vibration resistance
- Exceptional durability from Grade 5 steel construction and Rockwell C25 hardness for long-term reliability
- Easy installation and removal with standard 15/16" external hex head design for common tool compatibility
- Full threading coverage along the 1½" length provides maximum grip and uniform stress distribution
- Regulatory compliance assurance meeting ASME, SAE, RoHS 3, and REACH standards for quality and safety
Professional Applications & Engineering Value
This 5/8"-18 UNF Grade 5 steel hex head screw delivers critical engineering solutions where high tensile strength and vibration resistance are paramount. The fine UNF threading with Class 2A fit maintains secure connections in dynamic load conditions, preventing loosening in machinery, structural assemblies, and heavy equipment. The zinc plated finish provides essential corrosion protection for industrial environments exposed to moisture and chemicals. Engineered to ASME B18.2.1 and SAE J429 specifications, this fully threaded hex head screw ensures consistent performance in automotive, construction, and manufacturing applications where 120,000 psi tensile strength and Rockwell C25 hardness are required for demanding fastening challenges.
Specification Summary & Compliance
This fastener features precision 5/8"-18 UNF fine threading with Class 2A thread fit tolerance for optimal engagement. Manufactured to ASME B18.2.1 dimensional standards and SAE J429 Grade 5 mechanical properties, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, making it suitable for various industrial and commercial applications worldwide.
