S-93190A626 3/8"-16 x 1 1/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction for extended service life in harsh environments
• High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Reliable thread engagement through Class 2A thread fit and UNC coarse threading for secure fastening
• Easy installation and removal with external hex drive design and standard 9/16" head width
• Maximum grip length with fully threaded 1¼" length for superior holding power
• Industry compliance assurance meeting ASME B18.2.1 standards for dimensional accuracy
• Environmental regulation compliance with RoHS 3 and REACH for safe industrial use

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers exceptional engineering value in demanding industrial environments where corrosion resistance and mechanical strength are critical. The 316 Stainless Steel construction provides superior protection against chemical exposure and atmospheric corrosion, making it ideal for marine, chemical processing, and food industry applications. The coarse thread design ensures rapid installation and reliable performance in materials where fine threads might strip or fail. With its external hex drive and standardized dimensions, this fastener enables efficient assembly using common tools while maintaining consistent torque transmission. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures these screws withstand vibration, dynamic loads, and thermal cycling without compromising joint integrity.

Specification Summary & Compliance

This hex head screw features precision Class 2A thread fit with 3/8"-16 UNC coarse threads in right-hand direction, manufactured to exacting dimensional standards. The fastener complies with ASME B18.2.1 specifications for hex head screws and meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements. The inch system measurement ensures compatibility with North American industrial standards, while the fully threaded design provides consistent engagement across the entire 1¼" length for optimal fastening performance.