S-94288A326 3/8"-16 x 3" Extreme-Strength Stainless Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 450 Stainless Steel construction, ideal for harsh industrial environments
• Superior load-bearing capability with 170,000 psi tensile strength for heavy-duty fastening applications
• Enhanced durability from Rockwell C38 hardness, reducing wear and extending service life
• Secure, stable installation with integrated flange design that distributes load and prevents loosening
• Efficient assembly using external hex drive for high-torque application with standard tools
• Reliable thread engagement with UNC coarse threads and Class 2A fit for consistent performance
• Optimized thread utilization through partial threading design for precise clamping force control

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers critical engineering advantages in demanding applications where structural integrity and corrosion resistance are paramount. The 450 Stainless Steel composition provides excellent protection against oxidation and chemical exposure, making it ideal for marine equipment, food processing machinery, and outdoor structural assemblies. The flanged design eliminates the need for separate washers, reducing component count while providing superior bearing surface distribution. With partial threading, engineers can precisely control clamp load in critical joints, while the coarse UNC thread form ensures rapid installation and reliable performance in vibration-prone environments. The external hex drive accommodates high torque requirements, making this fastener suitable for heavy machinery, construction equipment, and industrial framing applications where 170,000 psi tensile strength provides essential safety margins.

Specification Summary & Compliance

This hex head screw features precision 3/8"-16 UNC coarse threads with Class 2A thread fit ensuring proper clearance and consistent engagement. The fastener meets standard industrial dimensional requirements with a 3" length, 7/16" head width, and 45/64" flange diameter. Manufactured from 450 Stainless Steel with Rockwell C38 hardness and 170,000 psi tensile strength, this screw complies with relevant industrial standards for UNC thread specifications and is suitable for applications requiring reliable mechanical performance and corrosion resistance.