S-95435A344 4-40 x 5/16" ASME B18.3 Titanium Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength-to-weight ratio from Grade 2 Titanium construction, providing robust performance without adding unnecessary mass to assemblies
• Superior corrosion resistance for extended service life in demanding environments including chemical exposure and outdoor applications
• High tensile strength rating of 50,000 psi ensures reliable performance under substantial mechanical loads and vibration
• Precise Class 2A thread fit delivers consistent engagement and reliable clamping force in critical applications
• Standard socket head profile with 3/32" hex drive allows for secure tool engagement and high torque application in confined spaces
• Rockwell B80 hardness provides excellent wear resistance and maintains thread integrity through repeated installation cycles
• Full threading along the 5/16" length offers maximum adjustment flexibility and uniform stress distribution

Professional Applications & Engineering Value

These Grade 2 Titanium Socket Head Cap Screws with 4-40 UNC coarse threading address critical engineering challenges in weight-sensitive and corrosive environments. The titanium construction provides inherent corrosion resistance that outperforms stainless steel in many chemical and saltwater applications, while the 50,000 psi tensile strength ensures structural integrity in high-vibration settings. The standard socket head design with 3/32" hex drive enables precise installation in tight spaces common in aerospace assemblies, medical equipment, and precision instrumentation. The fully threaded configuration allows for maximum adjustability and consistent clamping force distribution, making these fasteners ideal for applications where reliability and weight optimization are paramount concerns.

Specification Summary & Compliance

This 4-40 UNC Socket Head Cap Screw features Class 2A thread tolerances for precise fit and reliable performance. Manufactured to ASME B18.3 specifications with a coarse thread pitch and right-hand thread direction. The fastener is fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, ensuring safe use in regulated industries. With dimensional accuracy including 0.183" head diameter and 5/16" length, these screws maintain consistent quality across production batches.