S-92941A587 5/16"-18 x 1 1/2" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to brass construction, ideal for harsh environments and marine applications
• High tensile strength of 50,000 psi ensures reliable performance under significant mechanical stress
• Rockwell B55 hardness provides excellent durability and resistance to wear and deformation
• Secure and precise fastening with Class 2A thread fit, minimizing the risk of cross-threading
• Easy installation and removal with standard external hex drive and coarse UNC threading
• Versatile partial threading allows for controlled clamping force in assembled components
• Full regulatory compliance with ASME B18.2.1, RoHS 3, and REACH for global industrial use

Professional Applications & Engineering Value

This 5/16"-18 UNC brass hex head screw delivers exceptional value in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The brass material inherently resists rust and galvanic corrosion, making it perfect for electrical components, plumbing systems, and marine equipment. The coarse UNC thread and partial threading design provide rapid assembly and consistent clamping force, reducing installation time while preventing loosening from vibration. With its external hex drive and standardized dimensions, it ensures compatibility with common tools and maintains structural integrity in high-stress applications, from machinery assembly to outdoor infrastructure.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances and suitable for international industrial markets.