S-92240A603 5/16"-18 x 5" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and prevents fastener failure.
• Coarse UNC threading and Class 2A fit provide faster installation and easier assembly compared to fine-thread alternatives.
• External hex drive and hex head design allow for high-torque application with standard tools, speeding up maintenance and assembly.
• Full threading along the 5-inch length offers maximum grip and adjustability in a wide range of material thicknesses.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality and safe use in regulated industries.
• Rockwell B70 hardness provides excellent durability and resistance to wear, extending the screw's service life.

Professional Applications & Engineering Value

This 5/16"-18 UNC hex head screw is engineered to address common challenges in industrial assembly, such as the need for corrosion-resistant fasteners that maintain integrity in moist or chemical-exposed settings. The 18-8 stainless steel material offers a reliable solution, preventing rust and reducing maintenance costs. Its coarse thread design ensures quick, secure fastening in wood, metal, and composite materials, minimizing installation time. With an external hex drive, it supports high-torque applications in machinery, construction, and transportation equipment, providing a robust connection that withstands vibration and dynamic loads. Fully threaded for versatile use, this screw delivers consistent tensile strength and durability, making it a trusted component for engineers and procurement specialists seeking long-term performance.

Specification Summary & Compliance

This product features Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. It is manufactured in compliance with ASME B18.2.1 specifications for hex head screws and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming it is free of hazardous substances. The screw is fully threaded with a right-hand direction and coarse spacing, designed for reliable performance in industrial applications.