S-92865A510 7/8"-14 x 4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
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 demanding industrial environments
- Precise thread engagement with Class 2A UNF fine threads ensuring secure fastening and vibration resistance
- Optimized torque transmission through the external hex drive design for efficient installation with standard tools
- Consistent mechanical properties with Rockwell C25 hardness maintaining structural integrity under repeated loads
- Full threading coverage along the 4" length providing maximum grip and adjustment flexibility
- Regulatory compliance assurance meeting ASME B18.2.1, RoHS 3, and REACH standards for quality and safety
Professional Applications & Engineering Value
This Grade 5 steel hex head screw delivers exceptional engineering value for heavy-duty industrial applications where reliability is paramount. The 7/8"-14 UNF fine thread configuration provides superior resistance to vibrational loosening in machinery, construction equipment, and structural assemblies. The zinc plating finish creates a protective barrier against corrosion in challenging environments, while the external hex drive design enables high-torque installation without stripping. With fully threaded construction along its 4" length, this fastener offers maximum engagement depth for critical connections in manufacturing plants, automotive systems, and infrastructure projects where Class 2A thread fit ensures precise mating with corresponding components.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit with 7/8"-14 UNF fine threads and right-hand thread direction. Manufactured to Grade 5 standards with 120,000 psi tensile strength and Rockwell C25 hardness. Compliant with ASME B18.2.1 specifications where identified as SAE J429, and meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards.
