S-94967A696 1/2"-13 x 2 1/4" ASME B18.2.1, ASTM B117, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black protective coating, extending service life in harsh environments
• High tensile strength of 120,000 psi ensures reliable performance under heavy loads and vibration
• Rockwell C25 hardness provides superior wear resistance and durability
• Full UNC coarse threading enables faster installation and superior grip in various materials
• Class 2A thread fit guarantees precise, consistent engagement with standard nuts
• External hex drive design allows for high-torque application with common tools
• Compliance with major industry standards ensures quality and interoperability

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these Grade 5 hex head screws combine black corrosion-resistant coated steel construction with UNC coarse threading to deliver exceptional performance in structural assemblies, heavy machinery, and outdoor equipment. The fully threaded design provides maximum grip length, while the external hex drive facilitates efficient installation in confined spaces. With 120,000 psi tensile strength and Rockwell C25 hardness, they resist loosening under dynamic loads, making them ideal for automotive, construction, and manufacturing applications where reliability is critical.

Specification Summary & Compliance

This 1/2"-13 hex head screw features Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy. Manufactured to ASME B18.2.1, ASTM B117, and SAE J429 specifications, it meets rigorous mechanical and corrosion testing requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting sustainable procurement practices.