S-94967A699 1/2"-13 x 2 1/2" ASME B18.2.1, ASTM B117, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Grade 5 classification providing 120,000 psi tensile strength for reliable performance in demanding applications.
• Superior corrosion resistance from the black-coated steel, extending service life in harsh environments and reducing maintenance needs.
• Optimized fastening efficiency with UNC coarse threading and Class 2A fit, ensuring quick installation and secure hold in various materials.
• High torque capability due to the external hex drive and 3/4" head width, allowing for easy application with standard tools.
• Full-thread design maximizes grip length and load distribution, enhancing joint integrity across the entire fastener.
• Compliance with industry standards including ASME B18.2.1, ASTM B117, and SAE J429, guaranteeing consistent quality and safety.
• Environmental responsibility through RoHS 3 and REACH compliance, supporting sustainable procurement practices.

Professional Applications & Engineering Value

These Grade 5 hex head screws are engineered to address critical challenges in heavy-duty industrial settings, such as structural assembly, machinery fabrication, and construction projects. The black corrosion-resistant coated steel material combats rust and degradation, ideal for outdoor or high-moisture environments where longevity is paramount. With a UNC coarse thread and Class 2A thread fit, they provide rapid installation and robust clamping force, minimizing the risk of loosening under vibration or dynamic loads. The fully threaded design ensures uniform stress distribution, making them suitable for applications requiring consistent fastening strength across the entire length, from automotive frames to industrial equipment mounts. By meeting rigorous standards like ASME B18.2.1, these screws deliver reliable performance that reduces downtime and maintenance costs.

Specification Summary & Compliance

This product features precise Class 2A thread fit and adheres to UNC thread standards with a 1/2"-13 size and coarse spacing. It complies with manufacturing specifications including ASME B18.2.1, ASTM B117, and SAE J429, ensuring dimensional accuracy and mechanical properties. Additionally, it is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting environmental and safety regulations.