S-97595A592 5/8"-11 x 3" ASME B18.3 Brass Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior Corrosion Resistance: Crafted from durable brass, this screw offers excellent performance in humid or corrosive environments, reducing maintenance needs and extending service life.
• High-Strength Fastening: With a tensile strength of 50,000 psi and Rockwell B55 hardness, it provides reliable, robust connections for demanding industrial applications.
• Precise Thread Fit: Class 3A thread ensures a tighter, more secure fit with reduced risk of loosening under vibration, enhancing assembly integrity.
• Efficient Installation: The 3/8" hex drive allows for high-torque application with standard tools, speeding up installation and reducing labor time.
• Optimized Head Design: The standard 82° flat head profile and partial threading facilitate flush mounting and controlled penetration in various materials.
• Wide Compatibility: 5/8"-11 UNC coarse threading ensures easy engagement and reliable performance in a broad range of materials and pre-tapped holes.
• Regulatory Assurance: Compliant with ASME B18.3, RoHS 3, and REACH, meeting strict industry standards for safety and environmental responsibility.

Professional Applications & Engineering Value

This brass flat head screw is engineered to address critical challenges in industrial settings, such as corrosion in marine, plumbing, or electrical enclosures. The UNC coarse thread and Class 3A thread fit provide superior holding power and vibration resistance, minimizing the risk of joint failure in machinery and structural assemblies. Its 3/8" hex drive enables quick, high-torque installation with common tools, reducing assembly time and improving workflow efficiency. The 82° countersink angle ensures a flush finish, preventing protrusions in sensitive applications. Ideal for HVAC systems, automotive components, and heavy equipment, this screw delivers long-term reliability and compliance with ASME B18.3 standards, making it a trusted choice for engineers and procurement specialists.

Specification Summary & Compliance

This screw adheres to precise dimensional tolerances, including a Class 3A thread fit for accurate engagement and UNC coarse threading (5/8"-11) per industry norms. It meets ASME B18.3 manufacturing specifications for consistency and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.