S-92865A481 3/4"-16 x 3 1/2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capability with 120,000 psi tensile strength, ideal for high-stress industrial assemblies
• Superior corrosion resistance from zinc plating, extending service life in harsh or outdoor environments
• Precise thread engagement with Class 2A fit and UNF fine threads, ensuring reliable, vibration-resistant connections
• High-strength Grade 5 classification and Rockwell C25 hardness for consistent performance under heavy-duty use
• Optimized for easy installation with a 1 1/8" external hex head, allowing high torque application with standard tools
• Full threading along the 3 1/2" length provides maximum grip and adjustability in thick materials
• Compliance with ASME B18.2.1 and SAE J429 standards, guaranteeing interchangeability and engineering reliability

Professional Applications & Engineering Value

Engineered for demanding environments, this Grade 5 hex head screw combines high tensile strength and a zinc-plated finish to resist loosening under dynamic loads and corrosive conditions. The 3/4"-16 UNF fine thread and Class 2A fit deliver superior clamping force and vibration resistance, making it a trusted choice for heavy machinery, structural frameworks, and construction equipment. Its fully threaded design and external hex drive simplify installation in deep or hard-to-reach applications, reducing assembly time while maintaining ASME and SAE compliance for consistent, safe performance.

Specification Summary & Compliance

This screw meets Class 2A thread tolerance per UNF standards, with a 3/4"-16 fine thread and fully threaded 3 1/2" length. Manufactured to ASME B18.2.1 and SAE J429 Grade 5 specifications, it ensures dimensional accuracy and mechanical reliability. The product is RoHS 3 (2015/863/EU) compliant, supporting environmental and safety regulations in global industrial supply chains.