S-95198A299 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 integrated Buna-N rubber O-ring, effectively preventing leaks in pressurized systems up to 1500 psi.
• Excellent corrosion resistance provided by 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• High-strength threading with Class 3A fit for precise, secure fastening and vibration resistance in critical assemblies.
• Wide temperature tolerance from -40° to 225° F, maintaining seal integrity and mechanical performance across diverse operating conditions.
• Reliable drive engagement via 9/64" hex socket, allowing for high torque application and reduced risk of stripping.
• Industry-standard compliance with ASME B18.3, DIN 912, and ISO 4762, ensuring interchangeability and quality assurance.
• Environmental regulation adherence through RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This 8-32 UNC thread socket head cap screw is engineered to address critical sealing and fastening challenges in industrial applications. The 18-8 Stainless Steel material offers robust corrosion resistance, while the integrated Buna-N rubber O-ring provides a reliable seal against fluids and gases under pressures up to 1500 psi. Its Class 3A thread fit ensures precise alignment and high clamping force, reducing the risk of loosening in vibrating machinery. Commonly used in hydraulic systems, pneumatic equipment, and precision instruments, this screw delivers consistent performance in temperatures ranging from -40° to 225° F. The hex drive design facilitates easy installation in confined spaces, making it ideal for maintenance and assembly lines where durability and leak-proof integrity are paramount.

Specification Summary & Compliance

This screw features a 1/2" length with UNC coarse threads and a Class 3A thread fit for high precision. It conforms to ASME B18.3, DIN 912, and ISO 4762 standards, ensuring dimensional accuracy and interoperability. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety and environmental responsibility.