S-92323A572 1/2"-13 x 7/8" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Superior load-bearing capacity with Grade 5 classification and 110,000 psi tensile strength for reliable performance under high stress
• Secure anti-loosening performance through serrated flange design that prevents rotation and maintains clamping force
• Quick installation and removal with external hex drive and coarse UNC threads that reduce assembly time
• Precise thread engagement with Class 2A thread fit ensuring consistent mating with nuts and tapped holes
• Full-threaded design providing maximum grip length and uniform stress distribution along the entire fastener
• Industry compliance assurance meeting SAE J429 specifications for guaranteed quality and interchangeability

Professional Applications & Engineering Value

This Grade 5 hex head screw delivers exceptional engineering value through its zinc-plated steel construction and robust mechanical properties. The combination of 110,000 psi tensile strength and Rockwell C22 hardness provides reliable performance in heavy-duty applications where vibration resistance and structural integrity are critical. The serrated flange eliminates the need for separate washers while providing superior locking action that prevents loosening under dynamic loads. With coarse UNC threads and Class 2A thread fit, these screws offer excellent engagement in various materials while resisting cross-threading. Ideal for machinery assembly, structural frameworks, and equipment maintenance, this fully threaded hex bolt ensures long-term reliability in manufacturing, construction, and industrial maintenance applications where consistent clamping force and corrosion protection are essential.

Specification Summary & Compliance

This fastener features 1/2"-13 UNC coarse threads with Class 2A thread fit per industry standards, ensuring precise dimensional accuracy and reliable mating. Manufacturing complies with IFI 111 specifications where identified as SAE J429, guaranteeing consistent quality and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) compliance (updated 06/14/2023 for 235 SVHC), ensuring environmental responsibility and regulatory adherence for global industrial applications.