S-92245A630 3/8"-16 x 1 3/4" FF-S-85, MS35307-365 Mil. Spec. 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments
• High tensile strength of 70,000 psi provides superior load-bearing capacity for demanding applications
• Precise Class 2A thread fit ensures smooth installation and secure fastening with standard UNC nuts
• Partially threaded design allows for controlled clamping force and prevents over-tightening
• External hex drive with 9/16" head width enables high-torque installation using common tools
• Compliance with Fed. Spec. FF-S-85 (MS35307-365) guarantees consistent quality and interchangeability
• RoHS 3 and REACH compliance meets international environmental regulations for global supply chain integration

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers critical performance advantages for industrial assembly applications where corrosion resistance and mechanical strength are paramount. The passivated 18-8 stainless steel construction provides superior protection against chemical exposure and atmospheric corrosion, making it ideal for marine, chemical processing, and outdoor equipment applications. The coarse thread spacing and Class 2A thread fit ensure rapid installation and reliable engagement in both soft and hard materials, while the partially threaded design concentrates clamping force precisely where needed. With 70,000 psi tensile strength and Rockwell B74 hardness, this fastener maintains structural integrity under vibration and dynamic loading conditions common in heavy machinery, transportation equipment, and structural frameworks.

Specification Summary & Compliance

This hex head screw features 3/8"-16 UNC coarse threads with Class 2A thread fit tolerance, ensuring compatibility with standard industrial components. The 1-3/4" length with 1" minimum thread length provides optimal engagement depth. Manufacturing complies with Fed. Spec. FF-S-85 (MS35307-365) for consistent dimensional accuracy and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making these fasteners suitable for regulated industries and international markets.