S-95198A396 1/2"-13 x 1/2" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and ensuring long-term reliability.
• High-pressure sealing capability up to 1500 psi, thanks to the integrated Buna-N rubber O-ring, preventing leaks in critical applications.
• Exceptional tensile strength of 100,000 psi for reliable load-bearing performance and resistance to mechanical failure.
• Precision Class 3A thread fit ensures tight, secure fastening with minimal risk of loosening under vibration or stress.
• Broad temperature compatibility with the O-ring operating from -40° to 225° F, suitable for diverse industrial conditions.
• Easy installation and removal using a standard 3/8" hex key drive, reducing assembly time and tooling complexity.
• Compliance with major international standards including ASME B18.3, DIN 912, and ISO 4762, guaranteeing interchangeability and quality.

Professional Applications & Engineering Value

This Socket Head Cap Screw is engineered to address common industrial challenges such as fluid leakage and joint integrity under high pressure. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for applications in chemical processing, marine equipment, and food machinery where exposure to moisture or corrosive agents is a concern. The 1/2"-13 UNC coarse threads with a Class 3A fit offer superior engagement and holding power, reducing the risk of strip-out in soft materials or high-vibration environments. Integrated with a Buna-N rubber O-ring, this screw effectively seals against oils, water, and gases up to 1500 psi, eliminating the need for additional sealing components and simplifying assembly in hydraulic systems, pumps, and compressed air equipment. Its fully threaded design ensures consistent clamping force along the entire length, enhancing stability in dynamic loads.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 3A thread fit for tight tolerances and reliable performance. It meets ASME B18.3, DIN 912, and ISO 4762 specifications, ensuring global compatibility and quality assurance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in environmentally sensitive and regulated industries.