S-91500A320 8-32 x 7/8" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments including marine and chemical applications.
• Enhanced durability and surface protection from the passivated finish, extending service life and preventing galling.
• High-strength fastening with 70,000 psi tensile strength and Rockwell B80 hardness for reliable performance under load.
• Precise and secure fit ensured by the Class 2A thread fit and coarse UNC thread, providing excellent engagement and vibration resistance.
• Efficient installation and flush finishing with the standard 82° countersink angle and Phillips No. 2 drive, allowing for a smooth, recessed surface.
• Full threading for maximum grip along the entire 7/8" length, distributing clamp force evenly across the joint.
• Guaranteed quality and safety through compliance with ASME B18.6.3, RoHS 3, and REACH standards.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 8-32 UNC flat head screw in 316 stainless steel provides exceptional corrosion resistance, making it a top choice for marine equipment, chemical processing plants, and outdoor structures. The passivated finish further enhances its longevity by preventing oxidation and thread seizure, a common issue in high-moisture or saline environments. Its coarse thread design and Class 2A fit ensure quick, reliable installation and superior vibration resistance, reducing maintenance needs in machinery and assembly lines. With a fully threaded shank and 82° countersink, it offers a secure, flush mount that minimizes protrusion risks, ideal for applications where aerodynamics or safety are priorities. This screw delivers consistent performance in industrial fastening tasks, from securing panels to constructing durable frameworks.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 2A thread fit and UNC coarse threads per ASME B18.6.3 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. Manufactured to meet rigorous industrial requirements, it guarantees reliable performance in various applications.