S-90042A323 M2 x 12 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 provides reliable fluid and gas sealing up to 1500 psi, preventing leaks in pressurized systems
• Exceptional Corrosion Resistance: 18-8 stainless steel construction offers excellent protection against rust and chemical degradation in harsh environments
• High Mechanical Strength: 100,000 psi tensile strength and Rockwell B85 hardness ensure reliable fastening under heavy loads and vibration
• Wide Temperature Compatibility: O-ring maintains sealing integrity across broad temperature range from -40° to 225° F
• Precision Thread Engagement: Class 6g thread fit guarantees consistent, secure mating with threaded components
• Space-Efficient Design: Compact socket head profile with 1.5 mm hex drive enables installation in confined spaces
• Industry Standard Compliance: Meets multiple international standards including ASME B18.3, DIN 912, and ISO 4762 for guaranteed interoperability

Professional Applications & Engineering Value

This M2 metric socket head cap screw with integrated Buna-N O-ring addresses critical sealing challenges in precision engineering applications. The 18-8 stainless steel construction provides excellent corrosion resistance for demanding environments including chemical processing, marine equipment, and food machinery. The fully threaded design with Class 6g thread fit ensures maximum engagement strength while the hex socket drive allows for high torque application without stripping. Engineered to withstand pressures up to 1500 psi, this sealing fastener is ideal for hydraulic systems, pneumatic controls, pump assemblies, and fluid handling equipment where reliable pressure containment is essential. The combination of metric coarse threading and standardized dimensions ensures compatibility with existing industrial components and tooling.

Specification Summary & Compliance

This socket head cap screw features precise M2 x 0.4 mm metric coarse threads with Class 6g tolerance for optimal fit. Manufacturing complies with ASME B18.3, DIN 912, and ISO 4762 standards ensuring dimensional accuracy and performance reliability. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substances. The Buna-N rubber O-ring maintains sealing capability across the specified temperature range while the fully threaded design provides consistent fastening strength along the entire 12 mm length.