S-90042A433 M3 x 6 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Viton® fluoroelastomer O-ring provides a reliable seal against fluids and gases, ideal for demanding environments.
• Exceptional Corrosion Resistance: Made from 18-8 Stainless Steel, offering excellent resistance to rust and corrosion for long-term durability.
• High Mechanical Strength: With a 100,000 psi tensile strength and Rockwell B85 hardness, this screw withstands high stress and load conditions.
• Wide Temperature Tolerance: The O-ring maintains integrity across a broad temperature range from -20° to 400° F, ensuring performance in extreme conditions.
• Reliable Pressure Containment: Capable of handling maximum pressures up to 1500 psi, making it suitable for high-pressure applications.
• Precise and Secure Fastening: Hex socket drive (2.5 mm) allows for easy installation with standard tools and high torque application without slippage.
• Broad Industry Compliance: Meets ASME B18.3, DIN 912, and ISO 4762 standards, ensuring interchangeability and quality in global engineering projects.

Professional Applications & Engineering Value

This M3 socket head cap screw is engineered to solve critical challenges in industrial fastening where sealing integrity and mechanical reliability are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance, essential for applications in harsh environments like chemical processing, marine, or outdoor equipment. The inclusion of a Viton® fluoroelastomer O-ring ensures a tight seal against leaks, making it ideal for hydraulic systems, pneumatic components, and high-pressure assemblies that operate under varying temperatures. Its fully threaded design with a Class 6g coarse thread facilitates quick installation and secure holding power, reducing the risk of loosening under vibration. By combining high tensile strength with precise metric thread standards, this screw delivers consistent performance in machinery, automotive, and aerospace sectors, enhancing assembly efficiency and longevity.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances, including a Class 6g thread fit for reliable engagement and M3 x 0.5 mm coarse thread specifications. It conforms to ASME B18.3, DIN 912, and ISO 4762 manufacturing standards, ensuring global compatibility and quality. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe usage in various industries.