S-90042A306 M12 x 20 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Buna-N rubber O-ring for reliable leak prevention in high-pressure applications up to 1500 psi
• Exceptional corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term durability in harsh industrial environments
• High mechanical strength with 100,000 psi tensile strength and Rockwell B85 hardness for demanding applications requiring reliable fastening
• Precise thread engagement with Class 6g thread fit and M12x1.75mm coarse thread profile for easy installation and secure connections
• Wide temperature compatibility with O-ring performance maintained from -40° to 225° F for versatile application across various operating conditions
• Standardized dimensions conforming to DIN 912 and ISO 4762 specifications, ensuring compatibility with existing metric fastener systems
• Secure hex drive installation with 10mm socket head design providing positive torque transmission and reduced cam-out risk

Professional Applications & Engineering Value

These M12 socket head cap screws with integrated Buna-N rubber O-rings deliver critical sealing solutions for industrial equipment requiring pressure containment and environmental protection. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining 100,000 psi tensile strength, making these fasteners ideal for hydraulic systems, pneumatic components, and machinery subjected to vibration and dynamic loads. The fully threaded metric design with Class 6g thread fit ensures consistent clamping force distribution, while the coarse thread pitch facilitates quick assembly in production environments. Engineered to withstand pressures up to 1500 psi across a broad temperature range, these DIN 912/ISO 4762 compliant screws eliminate the need for separate sealing components, reducing assembly time and potential failure points in critical industrial applications.

Specification Summary & Compliance

These metric socket head cap screws feature M12x1.75mm coarse threads with Class 6g thread fit per ISO standards, ensuring precise dimensional accuracy and reliable performance. Manufacturing conforms to ASME B18.3, DIN 912, and ISO 4762 specifications for consistent quality and interchangeability. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications requiring adherence to strict material composition standards.