S-92245A638 3/8"-16 x 2 3/4" FF-S-85, MS35307-369 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, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress
• Rockwell B74 hardness provides superior durability and resistance to wear and deformation
• Class 2A thread fit offers consistent, reliable fastening with standard UNC coarse threading for quick assembly
• External hex drive design allows for easy installation and removal with common tools, reducing labor time
• Partial threading provides optimal grip and clamping force for secure connections in structural applications
• Compliance with Fed. Spec. FF-S-85 (MS35307-369) guarantees adherence to rigorous federal standards for quality and reliability

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw is engineered to address critical challenges in industrial and structural applications where corrosion resistance and mechanical strength are paramount. The passivated 18-8 stainless steel material effectively combats rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing environments. Its coarse UNC threading and partial thread design enhance grip and reduce the risk of stripping in materials like steel and heavy-duty alloys. With a 70,000 psi tensile strength and Rockwell B74 hardness, it withstands high-stress conditions in machinery, construction, and transportation equipment, ensuring long-term reliability and reduced maintenance costs. The external hex drive facilitates efficient installation, supporting productivity in assembly lines and field service operations.

Specification Summary & Compliance

This screw features a Class 2A thread fit with UNC coarse threading (3/8"-16) and a minimum thread length of 1 inch, ensuring precise dimensional accuracy. It is manufactured in compliance with Fed. Spec. FF-S-85 (MS35307-369) and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial use without hazardous substances.