S-95198A535 8-32 x 1/2" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with a silicone rubber O-ring that withstands pressures up to 1500 psi, preventing leaks in critical applications.
• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring longevity in harsh environments and reducing replacement frequency.
• Precise thread engagement with Class 3A fit for reliable, vibration-resistant fastening in demanding industrial settings.
• Broad temperature tolerance (-80° to 400° F) thanks to the silicone O-ring, maintaining seal integrity across extreme thermal cycles.
• High tensile strength of 100,000 psi provides robust load-bearing capability, minimizing risk of mechanical failure under stress.
• Easy installation and removal with a standard hex drive (9/64"), allowing for efficient assembly with common tools.
• Compliance with major international standards (ASME B18.3, DIN 912, ISO 4762) ensures interchangeability and quality assurance in global projects.

Professional Applications & Engineering Value

This 8-32 UNC thread socket head cap screw is engineered to address common industrial challenges such as fluid leakage and component loosening under dynamic loads. The 18-8 stainless steel material offers excellent resistance to oxidation and chemical exposure, making it ideal for pneumatic systems, hydraulic assemblies, and machinery enclosures. Its coarse UNC thread and Class 3A fit provide secure fastening with minimal risk of cross-threading, while the integrated silicone rubber O-ring creates a reliable seal against oils, water, and gases. Fully threaded design ensures uniform stress distribution, enhancing joint integrity in high-vibration environments like automotive or aerospace applications. This screw delivers consistent performance where pressure sealing and durability are critical, reducing maintenance downtime and improving operational safety.

Specification Summary & Compliance

The screw features a Class 3A thread fit per UNC standards, ensuring precise dimensional accuracy for secure assemblies. It complies with ASME B18.3, DIN 912, and ISO 4762 manufacturing specifications, guaranteeing consistency and reliability. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for use in various industries.