S-92620A965 1"-8 x 5 1/2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior load-bearing capacity with 150,000 psi tensile strength for reliable performance in high-stress applications
• Enhanced corrosion resistance through zinc yellow-chromate plating, extending service life in harsh environments
• Optimal hardness and durability with Rockwell C33 rating, resisting wear and deformation under heavy loads
• Precise and secure fastening thanks to Class 2A thread fit and coarse UNC threads, reducing cross-threading risks
• Easy installation and removal with external hex drive and hex head design, compatible with standard tools
• Full thread engagement along the 5½" length, providing consistent clamping force across the entire fastener
• Industry compliance assurance meeting ASME B18.2.1 and SAE J429 standards for quality and interoperability

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this Grade 8 hex head screw addresses critical challenges in construction, machinery assembly, and structural frameworks. The steel material combined with zinc yellow-chromate plating offers robust protection against corrosion, essential for outdoor or humid environments. Its coarse UNC thread and Class 2A fit ensure quick assembly and vibration resistance, minimizing loosening in dynamic loads. With a 1"-8 thread size and external hex drive, it provides high torque capability, making it ideal for bolting large components where reliability and high tensile strength are paramount. This fastener is a trusted solution for engineers seeking durability and compliance with ASME B18.2.1 specifications.

Specification Summary & Compliance

This hex head screw adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse threading with 1"-8 size. Manufactured under ASME B18.2.1 and SAE J429 guidelines, it ensures reliability in inch-system applications. The product meets common industry regulations for material safety and is suitable for use in assemblies requiring high-strength Grade 8 performance, with no specified RoHS or REACH restrictions noted in the provided data.