S-97715A224 5/16"-18 x 5/8" ASME B18.3 Brass Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance due to brass construction, ideal for harsh environments and outdoor applications
• Exceptional tensile strength of 50,000 PSI ensures reliable performance under high-stress conditions
• Precise Class 3A thread fit provides superior engagement and vibration resistance in assembled components
• Hex drive design with 3/16" drive size allows for high-torque installation and easy maintenance access
• Rounded button head profile offers a low-profile, finished appearance while minimizing snagging risks
• Full UNC coarse threading enables faster installation and better performance in softer materials
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees manufacturing consistency and environmental safety

Professional Applications & Engineering Value

These 5/16"-18 UNC brass rounded head screws deliver critical performance advantages in demanding industrial applications. The brass material provides excellent corrosion resistance, making them ideal for marine, plumbing, and electrical systems where moisture is a concern. The Class 3A thread fit ensures tight tolerances and secure fastening in precision assemblies, reducing the risk of loosening from vibration. With 50,000 PSI tensile strength and Rockwell B55 hardness, these hex drive screws maintain integrity in high-stress environments while the coarse threading provides superior holding power in softer substrates like wood and plastic, streamlining installation processes.

Specification Summary & Compliance

Manufactured to exact inch system dimensions with 5/8" length and fully threaded design. Thread specifications include UNC coarse thread with Class 3A fit for precision engagement. These rounded head screws comply with ASME B18.3 standards for dimensional consistency and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industries.