S-97715A333 3/8"-16 x 3/4" ASME B18.3 Brass Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass material, ideal for harsh industrial environments and moisture-prone applications.
• High tensile strength of 50,000 PSI ensures reliable, long-lasting fastening under heavy loads and vibration.
• Precise Class 3A thread fit provides tight tolerances for secure assembly and reduced risk of loosening.
• Coarse UNC threading allows for quick installation and easy disassembly in various materials.
• Hex drive design (7/32") offers excellent torque transmission and slip-resistant engagement.
• Rounded button head profile delivers a low-profile, aesthetically pleasing finish with reduced snagging.
• Full threading along the 3/4" length ensures maximum grip and holding power across the entire fastener.

Professional Applications & Engineering Value

This 3/8"-16 UNC brass rounded head screw is engineered to address common industrial fastening challenges, such as corrosion in electrical components, marine equipment, and plumbing systems. The brass construction naturally resists rust and galvanic corrosion, while the coarse thread and Class 3A fit provide exceptional holding strength in soft materials or where vibration is a concern. With a Rockwell B55 hardness and 50,000 PSI tensile strength, it withstands repetitive stress without stripping or failing. The hex drive ensures efficient installation with standard tools, making it a dependable choice for heavy-duty fasteners in machinery, automotive assemblies, and structural applications where reliability is critical.

Specification Summary & Compliance

This screw adheres to ASME B18.3 standards for dimensional accuracy and performance. It features a Class 3A thread fit for precise engagement and UNC coarse threading with a 3/8"-16 size. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.