S-95198A304 8-32 x 1" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with Buna-N rubber O-rings, effectively preventing leaks in high-pressure environments up to 1500 psi.
• Exceptional corrosion resistance due to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial conditions.
• High tensile strength of 100,000 psi and Rockwell B85 hardness for dependable load-bearing capacity and reduced risk of fastener failure.
• Precise Class 3A thread fit and UNC coarse thread design for easier assembly, secure fastening, and vibration resistance.
• Wide temperature compatibility with O-rings rated from -40° to 225° F, suitable for diverse operational environments.
• Hex socket drive design allows for high torque application and easy installation in confined spaces without slipping.
• Compliance with major international standards including ASME B18.3, DIN 912, and ISO 4762, ensuring interchangeability and quality assurance.

Professional Applications & Engineering Value

This 8-32 UNC thread Socket Head Cap Screw is engineered to address critical sealing and durability challenges in demanding industrial applications. The 18-8 Stainless Steel material provides excellent resistance to corrosion and oxidation, making it ideal for use in chemical processing, marine equipment, and outdoor machinery. The integrated Buna-N rubber O-ring ensures a reliable seal against fluids and gases, preventing leaks in hydraulic systems, pneumatic controls, and high-pressure assemblies. With a coarse thread and Class 3A fit, it offers quick installation and maintains clamp load under vibration, reducing maintenance needs. Fully threaded for consistent grip, this screw is a top choice for OEMs and MRO professionals seeking high-performance sealing fasteners that meet rigorous operational standards.

Specification Summary & Compliance

This fastener adheres to Class 3A thread tolerance for precision fit and is manufactured in accordance with ASME B18.3, DIN 912, and ISO 4762 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance in global markets.