S-93705A113 2-56 x 3/8" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with nylon patch thread locker maintains secure fastening in temperatures from -70° to 250°F, preventing loosening in dynamic applications
• Superior corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh industrial environments
• High-strength performance delivers 70,000 psi tensile strength and Rockwell B70 hardness for demanding mechanical applications
• Precise thread engagement with Class 3A thread fit and UNC coarse threads provides reliable, consistent fastening performance
• Standard hex drive compatibility with 5/64" drive size allows for easy installation and removal with common tools
• Industry-standard compliance meets ASME B18.3 specifications for dimensional accuracy and performance reliability
• Environmental regulation adherence with RoHS 3 and REACH compliance ensures safe, sustainable manufacturing practices

Professional Applications & Engineering Value

This 2-56 UNC thread socket head cap screw delivers exceptional engineering value through its 18-8 stainless steel construction and nylon patch locking technology. The combination addresses critical industrial challenges including vibration-induced loosening in machinery, equipment, and assembly applications. The coarse thread spacing and Class 3A thread fit ensure rapid installation and reliable performance in high-stress environments. With a 70,000 psi tensile strength and temperature resistance from -70° to 250°F, this socket head cap screw provides durable fastening solutions for automotive, aerospace, and industrial equipment where vibration resistance and corrosion protection are paramount. The standard hex drive design facilitates efficient maintenance and assembly operations.

Specification Summary & Compliance

This socket head cap screw features precision UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. Manufacturing and performance comply with ASME B18.3 standards, ensuring consistent quality and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting current industry requirements for hazardous substance restrictions and chemical safety.