S-91247A696 7/16"-14 x 7 1/2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 120,000 psi ensures reliable performance in demanding applications, preventing fastener failure under heavy loads
• Zinc plating provides superior corrosion resistance, extending service life in various industrial environments and reducing maintenance costs
• Grade 5 classification with Rockwell C25 hardness offers excellent durability and wear resistance for long-term fastening solutions
• Coarse UNC threads with Class 2A fit enable quicker installation and better vibration resistance compared to fine thread alternatives
• External hex drive design allows for high torque application using standard tools, ensuring secure tightening in confined spaces
• Partial threading configuration provides optimal grip strength while reducing material usage and weight
• Compliance with major industry standards guarantees consistent quality and interoperability with existing fastener systems

Professional Applications & Engineering Value

This 7/16"-14 UNC Grade 5 hex head screw delivers exceptional engineering value through its zinc plated steel construction and partially threaded design. The combination of 120,000 psi tensile strength and Rockwell C25 hardness addresses critical industrial challenges by providing reliable fastening in structural applications, machinery assembly, and heavy equipment where vibration resistance is paramount. The coarse thread pattern ensures rapid installation in steel frameworks and construction projects, while the external hex drive facilitates high-torque applications without stripping. These industrial fasteners are engineered to withstand extreme conditions while maintaining Class 2A thread fit precision, making them ideal for automotive, manufacturing, and infrastructure projects requiring durable, corrosion-resistant inch system components.

Specification Summary & Compliance

This heavy-duty hex head screw features precise Class 2A thread fit tolerances and UNC coarse threading with 7/16"-14 thread size. Manufactured to meet ASME B18.2.1 and SAE J429 Grade 5 specifications, ensuring dimensional accuracy and mechanical properties. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, providing assurance for international industrial applications. With a minimum thread length of 1-3/8" and overall length of 7-1/2", this screw maintains consistent performance across its specified dimensional parameters.