S-95198A380 3/8"-24 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 high-pressure applications up to 1500 psi.
• Exceptional corrosion resistance due to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• Precise thread engagement with Class 3A fine UNF threads, providing superior vibration resistance and secure fastening.
• High tensile strength of 100,000 psi and Rockwell B85 hardness for reliable performance under heavy mechanical loads.
• Wide temperature tolerance from -40° to 225°F, maintaining integrity and sealing across diverse operating conditions.
• Easy installation and removal with a standard 5/16" hex drive, compatible with common tools for efficient maintenance.
• Full threading along the 1/2" length allows for adjustable positioning and consistent clamping force.

Professional Applications & Engineering Value

This socket head cap screw is engineered to address critical sealing and durability challenges in industrial applications. The 18-8 Stainless Steel material provides excellent resistance to corrosion and oxidation, making it ideal for use in chemical processing, marine, and outdoor equipment. The Class 3A UNF fine thread ensures tight, secure fits that resist loosening under vibration, common in machinery and automotive assemblies. Integrated with a Buna-N rubber O-ring, it effectively seals against fluids and gases, preventing leaks in hydraulic systems, pumps, and compressors operating at up to 1500 psi. Its hex drive design allows for high torque application in confined spaces, enhancing installation efficiency while the fully threaded body supports versatile mounting in precision engineering projects.

Specification Summary & Compliance

This screw features a 3/8"-24 UNF thread with Class 3A fit for precise dimensional accuracy and fine thread spacing. It complies with ASME B18.3, DIN 912, and ISO 4762 standards, ensuring consistent quality and interchangeability. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances.