S-95362A340 3/8"-16 x 2" ASME B18.2.1, SAE J429, ASTM A354BD, MS90728-66 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 protection through zinc yellow-chromate plating that extends service life in harsh environments
• Optimized torque transmission with external hex drive design for secure installation and removal
• Enhanced thread engagement through UNC coarse threading that resists vibration-induced loosening
• Precision manufacturing with Class 2A thread fit ensuring consistent performance and easy assembly
• Industry-standard compliance meeting ASME B18.2.1, SAE J429, and ASTM A354BD specifications for guaranteed quality
• Material integrity assurance with Rockwell C33 hardness providing excellent wear resistance and durability

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical performance advantages for demanding industrial applications where failure is not an option. The steel construction combined with zinc yellow-chromate plating creates a robust barrier against corrosion, making it ideal for outdoor equipment, machinery, and structural assemblies exposed to environmental challenges. The 3/8"-16 UNC coarse thread configuration ensures rapid installation and superior resistance to vibration loosening in heavy machinery, construction equipment, and automotive applications. With partial threading providing unthreaded shank sections for precise clamping force distribution, this fastener solves common engineering challenges related to joint integrity and long-term reliability. The external hex drive design accommodates standard tools for efficient maintenance and disassembly in confined spaces.

Specification Summary & Compliance

Manufactured to exacting Class 2A thread fit tolerances with UNC coarse threading (3/8"-16) and compliant with ASME B18.2.1, SAE J429, ASTM A354BD, and MS90728-66 specifications. This Grade 8 hex head screw meets REACH (EC 1907/2006) compliance requirements, ensuring environmental responsibility while delivering consistent dimensional accuracy and mechanical properties for industrial applications demanding uncompromising quality and reliability.