S-90166A132 3/8"-16 x 2" ASTM F593, IFI 111 Stainless Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 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
• External hex drive with flanged head provides secure, non-slip installation and even load distribution
• Coarse UNC threads with Class 2A fit offer quick assembly and excellent resistance to loosening
• Partial threading design allows for precise clamping force control in varied material thicknesses
• Rockwell B80 hardness maintains thread integrity and durability through repeated use
• Comprehensive regulatory compliance including ASTM F593, RoHS 3, and REACH for global project acceptance

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers exceptional engineering value in demanding applications where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition provides excellent protection against rust and chemical exposure, making it ideal for marine equipment, food processing machinery, and outdoor structural assemblies. The combination of partial threading and flanged head design ensures optimal clamping force distribution while preventing surface damage to connected materials. With its coarse UNC thread form and external hex drive, installation is streamlined for maintenance crews working in confined spaces or under time constraints. These industrial hex head bolts effectively solve common fastening challenges in heavy machinery, transportation equipment, and construction frameworks where vibration resistance and long-term reliability are critical performance requirements.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit according to UNC standards with a thread size of 3/8"-16 and coarse thread spacing. Manufacturing specifications meet ASTM F593 requirements (IFI 111) for consistent quality and performance. The fastener maintains dimensional accuracy with a 2" length, 13/16" flange diameter, and minimum thread length of 1". Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and unrestricted use in international markets, providing assurance for engineering specifications and procurement requirements.