S-90608A306 6-32 x 3/8" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Buna-N rubber O-ring provides reliable sealing up to 1500 psi, preventing leaks in pressurized applications.
• Exceptional Corrosion Resistance: Made from 316 stainless steel, offering excellent durability in harsh and corrosive environments.
• High Tensile Strength & Durability: With a tensile strength of 100,000 psi and Rockwell B85 hardness, these screws ensure long-term structural integrity under high stress.
• Wide Temperature Tolerance: O-ring functions effectively across a broad temperature range from -40°F to 225°F, suitable for varied operational conditions.
• Precise Thread Fit for Secure Fastening: Class 3A thread fit and UNC coarse threading provide consistent, vibration-resistant connections in industrial assemblies.
• Standardized Socket Head Design: Hex drive (7/64") allows for easy installation with common tools, reducing assembly time and improving efficiency.
• Global Compliance & Reliability: Meets ASME B18.3, DIN 912, and ISO 4762 standards, ensuring compatibility and quality in international projects.

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw with a Buna-N O-ring seal is engineered to address critical sealing and corrosion challenges in demanding industrial environments. The combination of UNC coarse threads and a Class 3A thread fit ensures tight, reliable fastening that resists loosening under vibration, making it ideal for machinery, fluid systems, and automotive components. The fully threaded design and standard socket head facilitate quick installation and removal, reducing maintenance downtime. Its ability to handle pressures up to 1500 psi and temperatures from -40°F to 225°F makes it a versatile solution for applications requiring robust sealing performance and long-term durability, such as in chemical processing, marine equipment, and high-pressure hydraulic systems.

Specification Summary & Compliance

This screw features a 6-32 UNC thread with Class 3A fit for precise dimensional accuracy, and is fully threaded with a length of 3/8". It complies with ASME B18.3, DIN 912, and ISO 4762 manufacturing standards, ensuring consistent quality and interchangeability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for global use.