S-95198A382 3/8"-24 x 3/4" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Buna-N O-Ring, effectively preventing leaks in high-pressure applications up to 1500 psi.
• Excellent corrosion resistance due to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial environments.
• Precise thread engagement with Class 3A UNF fine threads, providing secure, vibration-resistant fastening and reduced risk of cross-threading.
• High mechanical strength offering 100,000 psi tensile strength and Rockwell B85 hardness for dependable performance under heavy loads.
• Wide temperature compatibility with an O-Ring range from -40° to 225° F, suitable for various operational conditions.
• Secure hex drive installation using a standard 5/16" hex key, allowing for high torque application and easy assembly in confined spaces.
• Broad regulatory compliance meeting ASME B18.3, DIN 912, and ISO 4762 standards, plus RoHS 3 and REACH, ensuring global acceptability and safety.

Professional Applications & Engineering Value

This Socket Head Cap Screw is engineered for critical applications where pressure sealing and corrosion resistance are paramount. The 18-8 Stainless Steel material combined with a Buna-N O-Ring creates a robust seal capable of withstanding up to 1500 psi, making it ideal for hydraulic systems, pneumatic equipment, and fluid handling assemblies. The Class 3A UNF fine thread ensures tight, reliable fastening that resists loosening under vibration, common in automotive, aerospace, and heavy machinery. Its fully threaded design and standard socket head profile facilitate easy installation and removal, even in hard-to-reach areas, enhancing maintenance efficiency and reducing downtime in industrial operations.

Specification Summary & Compliance

This screw features a 3/8"-24 UNF fine thread with Class 3A fit for high precision, a length of 3/4", and a head diameter of 9/16". It complies with ASME B18.3, DIN 912, and ISO 4762 manufacturing standards, ensuring dimensional accuracy and interchangeability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use in various industries.