S-91268A967 1 1/2"-6 x 12" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Grade 8 steel construction with Rockwell C33 hardness provides superior durability and resistance to wear, extending service life in demanding environments.
• Coarse UNC threading offers quick assembly and disassembly, minimizing installation time and improving efficiency in maintenance operations.
• Class 2A thread fit guarantees precise dimensional accuracy, ensuring smooth engagement and reducing the likelihood of cross-threading.
• Partial threading design allows for secure clamping over long spans, ideal for applications where vibration resistance is critical.
• Compliance with ASME B18.2.1 and SAE J429 standards ensures consistent quality and interoperability, meeting rigorous industry specifications.
• RoHS 3 and REACH compliance confirms environmental responsibility, making these screws suitable for global supply chains without regulatory concerns.

Professional Applications & Engineering Value

This Grade 8 steel hex head screw is engineered to address common challenges in heavy-duty industrial settings, such as structural assembly, machinery fabrication, and construction projects. Its high tensile strength and Rockwell C33 hardness provide resilience against dynamic loads and corrosion, reducing maintenance downtime. The coarse UNC thread and external hex drive facilitate easy installation with standard tools, even in confined spaces, while the partially threaded design enhances grip strength in vibrating environments. Ideal for applications requiring superior durability and compliance with ASME B18.2.1 and SAE J429 standards, this screw ensures long-term reliability in sectors like automotive, aerospace, and infrastructure development.

Specification Summary & Compliance

This screw adheres to precise dimensional tolerances with a Class 2A thread fit and UNC coarse threading (1 1/2"-6 size), ensuring consistent performance. It meets manufacturing specifications under ASME B18.2.1 and SAE J429 for Grade 8 fasteners, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental standards for industrial use.