S-92865A612 5/16"-18 x 7" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi ensures reliable performance under heavy loads, reducing the risk of fastener failure in demanding applications.
• Zinc plating provides superior corrosion resistance, extending the service life of the screw in harsh or outdoor environments.
• Grade 5 steel construction with Rockwell C25 hardness offers excellent durability and resistance to wear, maintaining integrity over repeated use.
• Coarse UNC threads with Class 2A fit allow for quick and easy installation, minimizing assembly time while ensuring secure fastening.
• Fully threaded 7" length and external hex drive enable deep penetration and straightforward tightening with common tools, enhancing versatility across various projects.
• Compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality and interoperability, meeting rigorous industrial specifications.
• RoHS 3 compliance ensures environmental safety and regulatory adherence, supporting sustainable procurement practices.

Professional Applications & Engineering Value

This Grade 5 steel hex head screw is engineered to address common industrial challenges, such as vibration loosening and corrosion-induced degradation. The coarse UNC thread and Class 2A fit provide a secure grip in materials like metal and wood, reducing the need for frequent retightening in machinery, structural frameworks, and automotive assemblies. Its zinc plated finish combats rust in humid or exposed settings, while the fully threaded design ensures uniform stress distribution along the entire 7" length, preventing shear failures. Ideal for heavy-duty fastening in construction, manufacturing, and equipment repair, this screw delivers reliable performance where high tensile strength and durability are critical, aligning with ASME B18.2.1/SAE J429 standards for precision and safety.

Specification Summary & Compliance

This fastener features precise Class 2A thread fit with 5/16"-18 UNC coarse threads and complies with ASME B18.2.1 and SAE J429 manufacturing specifications. It meets RoHS 3 (2015/863/EU) requirements for environmental safety, ensuring no hazardous substances are used. The inch-based dimensions, including a 7" length and external hex drive, adhere to standardized tolerances for consistent performance in industrial applications.