S-92245A641 3/8"-16 x 2 1/4" FF-S-85, MS35307-367 Mil. Spec. 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and vibration
• Class 2A thread fit provides consistent, easy assembly while maintaining secure fastening
• External hex drive design allows for high torque application with standard tools
• Partially threaded shank offers optimal grip length for precise clamping force distribution
• Coarse UNC threading enables quick installation and reduced cross-threading risks
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers exceptional engineering value through its passivated 18-8 stainless steel composition and robust construction. The material's inherent corrosion resistance combined with the external hex drive design addresses critical industrial challenges where exposure to moisture, chemicals, or outdoor elements would compromise ordinary fasteners. The partially threaded configuration provides superior clamping force control in assemblies requiring precise joint compression, while the coarse UNC threading ensures rapid installation in production environments. With a 70,000 PSI tensile strength and Rockwell B74 hardness, this fastener maintains structural integrity in heavy machinery, construction equipment, and marine applications where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

This hex head screw features precision Class 2A thread fit with 3/8"-16 UNC coarse threading and right-hand thread direction. Manufacturing complies with Fed. Spec. FF-S-85 (MS35307-367) standards, ensuring consistent quality and dimensional accuracy. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial use. With a length of 2-1/4" and minimum thread length of 1", this fastener delivers reliable performance across demanding applications.