S-92949A353 1/2"-13 x 6" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration.
• Precise Class 3A thread fit provides secure, vibration-resistant connections in demanding applications.
• 5/16" hex drive allows for high-torque installation and easy removal with standard tools.
• Fully threaded 6" length offers maximum grip and adjustability across the entire shank.
• Rockwell B55 hardness delivers excellent wear resistance and long-term durability.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 18-8 stainless steel rounded head screw is engineered to solve critical fastening challenges in heavy machinery, structural assemblies, and outdoor equipment. Its 1/2"-13 UNC coarse thread and Class 3A fit prevent loosening under dynamic loads, while the passivated finish significantly enhances corrosion resistance, reducing maintenance in humid or chemical-exposed settings. The hex drive and button head design provide a low-profile, high-strength connection that withstands extreme stress, making it a reliable choice for industrial applications requiring durability and compliance with stringent standards.

Specification Summary & Compliance

This fastener features a 1/2"-13 UNC coarse thread with Class 3A thread fit for precision engagement. It is manufactured in accordance with ASME B18.3 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets industry standards for performance and environmental safety.