S-97972A313 3/8"-16 x 1" Extreme-Strength Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel coating, extending service life in demanding environments
• Exceptional load-bearing capacity from 180,000 PSI tensile strength, ideal for high-stress applications
• Enhanced durability with Rockwell C38 hardness, resisting wear and deformation under heavy use
• Quick and secure installation via external hex drive and coarse UNC threads, reducing assembly time
• Reliable thread engagement with Class 2A fit, ensuring consistent performance and vibration resistance
• Distributed load pressure from the integrated flange, minimizing surface damage and improving joint integrity
• Full-threaded design for maximum grip along the entire 1" length, providing uniform clamping force

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw is engineered to address critical fastening challenges in industrial settings. The black-oxide steel construction offers enhanced corrosion protection, making it suitable for machinery, automotive assemblies, and structural frameworks exposed to moisture or chemicals. Its coarse thread design and external hex drive allow for rapid installation with standard tools, reducing labor costs and downtime. The flanged head distributes clamping force evenly, preventing loosening under vibration and eliminating the need for separate washers. With a fully threaded shank and right-hand thread direction, it ensures optimal load distribution and ease of use in repetitive assembly lines, delivering reliable performance in heavy-duty applications.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It meets industry specifications for inch system measurements, including a thread size of 3/8"-16, length of 1", head height of 5/16", and head width of 7/16". The product complies with relevant material and manufacturing guidelines, ensuring reliability for industrial use. While specific certifications like RoHS or ASME are not detailed, it is produced to high-quality standards suitable for professional fastening requirements.