S-95362A660 3/4"-10 x 4" ASME B18.2.1, SAE J429, ASTM A354BD, MS90728-195 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 provided by zinc yellow-chromate plating, extending service life in harsh environments
• Optimized torque transmission through the external hex drive design, ensuring secure installation and removal
• Enhanced thread engagement with Class 2A thread fit and UNC coarse threading for faster assembly and reduced cross-threading risk
• Proven durability with Rockwell C33 hardness, maintaining structural integrity under repeated stress
• Versatile partial threading allowing for both clamping and alignment functions in various assembly configurations
• Regulatory compliance assurance meeting multiple industry standards for quality and environmental safety

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical engineering solutions for heavy machinery, structural steel connections, and industrial equipment assemblies. The high-strength steel construction combined with 150,000 psi tensile strength addresses common failure points in vibration-prone environments, while the zinc yellow-chromate plating provides essential protection against corrosion in outdoor or chemically aggressive settings. The 3/4"-10 UNC coarse thread configuration ensures rapid installation in thick materials and structural components, reducing assembly time without compromising joint integrity. The partially threaded design offers precise clamping control, making it ideal for applications requiring both secure fastening and alignment adjustment capabilities in construction, manufacturing, and heavy equipment maintenance.

Specification Summary & Compliance

This fastener maintains Class 2A thread fit tolerances with 3/4"-10 UNC coarse threading and partial threading extending to a minimum of 1 3/4". Manufactured to exacting standards including ASME B18.2.1, SAE J429, and ASTM A354BD specifications, with additional compliance to MS90728-195 requirements. The product is REACH compliant (EC 1907/2006) regarding substance restrictions, ensuring environmental responsibility in industrial supply chains.