S-95362A304 3/8"-16 x 1 1/4" ASME B18.2.1, SAE J429, ASTM A354BD, MS90728-62 Mil. Spec. High-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 PSI tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through zinc yellow-chromate plating that extends service life in harsh environments
• Optimized thread engagement with UNC coarse threading and Class 2A fit ensuring secure fastening and vibration resistance
• Maximum thread coverage through full threading along the entire 1-1/4" length for enhanced grip and distribution of stress
• High-strength material construction meeting Grade 8 specifications with Rockwell C33 hardness for durability under extreme conditions
• Industry-standard compatibility with external hex drive design for easy installation using common tools
• Regulatory compliance assurance meeting multiple international standards including REACH for environmental safety

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical engineering value in demanding industrial environments where failure is not an option. The steel construction combined with zinc yellow-chromate plating provides exceptional corrosion resistance, making it ideal for outdoor equipment, machinery assemblies, and structural applications exposed to moisture and chemicals. The UNC coarse thread design ensures rapid installation and superior holding power in various materials, while the fully threaded configuration maximizes contact surface for enhanced load distribution. With its 150,000 PSI tensile strength and Rockwell C33 hardness, this fastener solves critical challenges in heavy machinery, construction equipment, and automotive applications where vibration resistance and long-term reliability are paramount. The external hex drive facilitates high-torque installation without stripping, ensuring consistent clamping force in critical joints.

Specification Summary & Compliance

This industrial fastener maintains precise Class 2A thread fit tolerances with 3/8"-16 UNC coarse threading and right-hand thread direction. Manufacturing compliance includes ASME B18.2.1, SAE J429, ASTM A354BD, and MS90728-62 specifications. The product is REACH (EC 1907/2006) compliant and meets environmental regulations, ensuring safe usage across various industrial sectors while maintaining the highest quality standards for dimensional accuracy and performance reliability.