S-94081A717 5/16"-18 x 3 1/4" Titanium Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional strength-to-weight ratio from Grade 5 Titanium construction, providing heavy-duty performance without adding unnecessary mass to assemblies
• Superior corrosion resistance inherent to titanium material, ensuring long-term reliability in demanding industrial environments
• High tensile strength of 130,000 psi delivers reliable clamping force and structural integrity for critical applications
• Rockwell C36 hardness rating provides excellent wear resistance and durability under repeated stress conditions
• External hex drive design allows for high-torque installation with standard tools, reducing assembly time and improving efficiency
• UNC coarse threading with Class 2A fit ensures smooth engagement and reliable fastening in various materials
• Partial threading configuration optimizes grip length while maintaining unthreaded shank strength where maximum shear resistance is required

Professional Applications & Engineering Value

Engineered for demanding industrial applications where both strength and corrosion resistance are paramount, these Grade 5 Titanium hex head screws solve critical engineering challenges. The 5/16"-18 UNC coarse thread configuration provides excellent engagement in metals, plastics, and composite materials, while the partial threading design maintains maximum shank strength in high-shear applications. The external hex drive accommodates high installation torque, making these fasteners ideal for aerospace, marine, chemical processing, and high-performance automotive applications where weight reduction and environmental resistance are essential. The combination of 130,000 psi tensile strength and Rockwell C36 hardness ensures reliable performance in vibration-prone environments and extreme temperature conditions.

Specification Summary & Compliance

This 5/16"-18 UNC hex head screw features precise Class 2A thread fit tolerances and coarse threading per Unified National Coarse standards. The fastener maintains dimensional accuracy with a 3 1/4" length and 7/8" minimum thread length. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The Grade 5 Titanium composition meets industry standards for high-strength, corrosion-resistant fastening solutions.