S-92865A851 3/4"-10 x 4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Grade 5 classification, providing reliable performance under high-stress conditions
• Superior corrosion resistance through zinc plating, extending service life in demanding industrial environments
• Optimal thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
• High tensile capacity of 120,000 psi for heavy-duty applications requiring maximum load-bearing capability
• Enhanced hardness at Rockwell C25 for improved wear resistance and reduced deformation under pressure
• Full threading design offering consistent holding power along the entire 4" length for versatile installation
• Standard-compliant engineering meeting ASME B18.2.1 and SAE J429 specifications for guaranteed interoperability

Professional Applications & Engineering Value

This Grade 5 hex head screw delivers critical engineering solutions for industrial applications where structural integrity and reliability are paramount. The zinc plated steel construction provides essential corrosion protection in manufacturing facilities, construction sites, and machinery assembly where exposure to environmental elements is common. The 3/4"-10 UNC coarse thread configuration ensures rapid installation and superior resistance to vibrational loosening in heavy equipment, structural steel connections, and industrial machinery. With fully threaded design and external hex drive, this fastener offers consistent clamping force distribution and straightforward installation using standard tools. The combination of 120,000 psi tensile strength and Rockwell C25 hardness makes it ideal for applications requiring repeated disassembly and reassembly without performance degradation.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Complies with ASME B18.2.1 and SAE J429 Grade 5 specifications for mechanical properties and dimensional requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring safe use across various industrial sectors. Features right-hand thread direction with coarse thread spacing for optimal performance in standard applications.