S-97972A415 7/16"-14 x 1 1/2" Extreme-Strength Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 180,000 psi ensures reliable performance in high-stress industrial applications
• Black-oxide steel construction provides superior corrosion resistance and extended service life in demanding environments
• Class 2A thread fit guarantees precise installation and consistent fastening performance across multiple assemblies
• Integrated flange design eliminates the need for separate washers, reducing assembly time and component count
• Rockwell C38 hardness rating maintains thread integrity and prevents stripping during repeated installations
• Coarse UNC threading enables faster installation and superior resistance to vibration loosening
• Partial threading configuration provides optimal grip strength while minimizing material stress concentrations

Professional Applications & Engineering Value

Engineered for heavy-duty fastening applications, these 7/16"-14 UNC hex head screws deliver exceptional performance in construction, machinery assembly, and industrial equipment. The black-oxide steel surface treatment provides enhanced corrosion protection, making them ideal for environments where moisture and chemical exposure are concerns. The external hex drive design allows for high-torque installation using standard tools, while the flanged head distributes clamping force evenly, preventing surface damage and maintaining joint integrity. With partial threading and coarse thread spacing, these fasteners offer superior resistance to vibration-induced loosening, ensuring long-term reliability in dynamic load conditions common in manufacturing and structural applications.

Specification Summary & Compliance

This 1 1/2 inch hex head screw features 7/16"-14 UNC coarse threading with Class 2A thread fit for precise dimensional accuracy. Manufactured to industry standards with Rockwell C38 hardness and 180,000 psi tensile strength, the fastener meets rigorous performance requirements. The right-hand thread direction and inch system measurements ensure compatibility with North American industrial specifications. Complies with relevant industrial fastening standards and environmental regulations for professional use.