S-90042A233 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 Buna-N rubber O-ring creates a reliable seal, preventing leaks in high-pressure applications up to 1500 psi.
• Excellent Corrosion Resistance: Made from 18-8 Stainless Steel, offering long-term durability and reliability in harsh or humid environments.
• Wide Temperature Tolerance: O-ring functions effectively from -40° to 225° F, ensuring consistent performance in varied thermal conditions.
• High Tensile Strength: With a tensile strength of 100,000 psi, this screw provides robust, secure fastening for demanding assemblies.
• Precision Thread Fit: Class 6g thread ensures smooth installation and optimal engagement, reducing the risk of cross-threading.
• Compact, Space-Saving Design: The low-profile socket head and 6 mm length allow for use in confined spaces without compromising on strength.
• Easy Installation & Removal: 2.5 mm hex drive enables high torque application with standard tools, speeding up assembly and maintenance.

Professional Applications & Engineering Value

This M3 socket head cap screw is engineered to solve critical sealing and corrosion challenges in industrial assemblies. The 18-8 stainless steel construction provides inherent resistance to rust and oxidation, making it ideal for applications in marine, chemical processing, and outdoor equipment. The integrated Buna-N rubber O-ring ensures a tight seal against fluids and gases, which is vital in hydraulic systems, pneumatic controls, and pressurized enclosures where leaks can lead to system failure. Its fully threaded design and Class 6g thread fit offer consistent clamping force and vibration resistance, enhancing the longevity of assembled components. By meeting DIN 912 and ISO 4762 standards, this fastener guarantees dimensional accuracy and interchangeability, reducing downtime and replacement costs in professional engineering projects.

Specification Summary & Compliance

This screw features an M3 x 0.5 mm metric coarse thread with a Class 6g tolerance for precise fit. It is manufactured in compliance with ASME B18.3, DIN 912, and ISO 4762 specifications, ensuring consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.