S-92965A624 3/8"-16 x 1" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Enhanced Durability - Grade 5 steel construction with 120,000 psi tensile strength ensures reliable performance in high-stress applications.
• Superior Corrosion Resistance - Black oxide finish provides excellent protection against rust and wear in harsh industrial environments.
• Optimal Thread Engagement - Coarse UNC threading with Class 2A fit allows for quick assembly and secure fastening with reduced cross-threading risk.
• High Torque Capability - External hex drive design enables efficient installation with standard tools while maintaining structural integrity.
• Consistent Performance - Fully threaded 1" length ensures uniform load distribution and maximum holding power across the entire fastener.
• Industry Compliance - Meets ASME B18.2.1 and SAE J429 specifications for guaranteed dimensional accuracy and mechanical properties.
• Environmental Safety - RoHS 3 compliant construction eliminates hazardous substances for safer workplace handling.

Professional Applications & Engineering Value

These Grade 5 hex head screws deliver exceptional engineering value through their black oxide finished steel construction, specifically designed to address common industrial fastening challenges. The 3/8"-16 UNC coarse threading provides superior resistance to vibration loosening while enabling rapid installation in time-sensitive production environments. With Rockwell C25 hardness and 120,000 psi tensile strength, these fully threaded fasteners maintain clamping force under dynamic loads, making them ideal for heavy machinery, structural assemblies, and automotive applications where external hex drive accessibility is crucial. The combination of Class 2A thread fit precision and corrosion-resistant coating ensures long-term reliability in demanding conditions while reducing maintenance frequency and replacement costs.

Specification Summary & Compliance

Manufactured to exact ASME B18.2.1 dimensional standards with Class 2A thread fit tolerance for consistent mating with standard nuts. The UNC coarse thread profile follows established inch system specifications while the mechanical properties comply with SAE J429 Grade 5 requirements. Environmental compliance is verified through RoHS 3 (2015/863/EU) certification, ensuring restricted substance-free manufacturing. All fasteners feature right-hand threading and are supplied in the inch measurement system for seamless integration with North American industrial equipment and existing fastener inventories.