S-92941A808 5/8"-11 x 3 1/2" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass material, ideal for harsh industrial environments and reducing maintenance costs.
• Excellent mechanical strength with 50,000 psi tensile strength and Rockwell B55 hardness, ensuring reliable performance under high-stress conditions.
• Easy installation and removal with the external hex drive and coarse UNC thread, providing quick assembly and disassembly in various applications.
• Precise thread fit with Class 2A tolerance, offering consistent engagement and reducing the risk of cross-threading or loosening.
• Durable partial threading design, optimizing grip strength and load distribution for secure fastening in demanding setups.
• Compliance with industry standards including ASME B18.2.1, ensuring compatibility and reliability in professional engineering projects.
• Environmental and safety adherence through RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This 5/8"-11 UNC brass hex head screw is engineered to address common industrial challenges, such as corrosion in moist or chemical-exposed settings. The brass material provides inherent resistance to rust and degradation, extending service life in applications like marine equipment, plumbing systems, and electrical enclosures. Its external hex drive and coarse thread design facilitate efficient installation with standard tools, reducing labor time and minimizing stripping risks. With a partially threaded shank, it ensures optimal clamping force where full threading isn't required, making it a versatile choice for machinery, automotive assemblies, and structural frameworks that demand high-strength and durability under vibration or load variations.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including a Class 2A thread fit for consistent accuracy and a UNC coarse thread profile (5/8"-11) per ASME B18.2.1 specifications. It meets regulatory requirements such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and suitable for global industrial use. The manufacturing process follows strict guidelines to maintain the stated Rockwell B55 hardness and 50,000 psi tensile strength, providing reliable performance in compliant applications.