S-90042A490 M8 x 30 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance - Viton® fluoroelastomer O-ring ensures reliable sealing in high-pressure environments up to 1500 psi, preventing leaks in critical applications
• Exceptional Temperature Resistance - Maintains sealing integrity across extreme temperature ranges from -20° to 400° F for consistent performance in demanding conditions
• High Tensile Strength Construction - 100,000 psi tensile strength with Rockwell B85 hardness provides reliable fastening in high-stress industrial applications
• Premium Corrosion Resistance - 18-8 stainless steel material offers excellent protection against rust and corrosion in harsh environments
• Precision Thread Engineering - Class 6g thread fit with M8 x 1.25mm coarse thread pitch ensures secure, vibration-resistant fastening
• Optimized Socket Drive Design - Standard hex socket head with 6mm drive provides superior torque transmission and prevents stripping during installation
• Full Thread Coverage - Completely threaded 30mm length allows for maximum engagement and uniform load distribution

Professional Applications & Engineering Value

This M8 socket head cap screw with integrated Viton® fluoroelastomer sealing technology addresses critical challenges in industrial applications where fluid containment and pressure integrity are paramount. The 18-8 stainless steel construction combined with the high-temperature O-ring creates an ideal solution for hydraulic systems, pneumatic equipment, and processing machinery operating under extreme conditions. The metric coarse thread design with Class 6g precision ensures reliable installation and vibration resistance, while the fully threaded configuration provides consistent clamping force across the entire 30mm length. Engineered for maximum hole diameters up to 9.041mm, this industrial sealing fastener delivers exceptional performance in chemical processing, automotive, and manufacturing applications where leak prevention and corrosion resistance are critical operational requirements.

Specification Summary & Compliance

This metric socket head cap screw features precise M8 x 1.25mm coarse threading with Class 6g thread fit tolerance for optimal engagement. Manufactured to meet ASME B18.3, DIN 912, and ISO 4762 standards, ensuring dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, confirming adherence to international safety and environmental standards for industrial components.