S-90042A117 M4 x 12 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated silicone rubber O-ring that maintains integrity from -80° to 400°F, preventing leaks in demanding environments
• Exceptional corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial conditions
• High mechanical strength with 100,000 psi tensile strength and Rockwell B85 hardness for reliable performance under heavy loads
• Precision thread engagement with Class 6g thread fit and coarse pitch (0.7 mm) for quick assembly and secure fastening
• Easy installation and removal using standard 3 mm hex drive tools, reducing assembly time and maintenance costs
• Pressure-tight sealing capability rated for up to 1500 psi, making it ideal for high-pressure fluid systems
• Global compliance assurance meeting ASME B18.3, DIN 912, and ISO 4762 standards for consistent quality and interchangeability

Professional Applications & Engineering Value

This M4 socket head cap screw delivers critical engineering value in applications where pressure sealing and corrosion resistance are paramount. The combination of 18-8 stainless steel construction and silicone rubber O-ring creates a reliable sealing solution that withstands extreme temperature fluctuations from -80° to 400°F while maintaining integrity under pressures up to 1500 psi. The fully threaded design with Class 6g thread fit ensures consistent clamping force distribution, preventing joint failure in vibration-prone environments. These metric hex socket screws are particularly valuable in hydraulic systems, pneumatic equipment, and industrial machinery where high-pressure sealing requirements demand both mechanical strength and environmental resistance. The standardized 3 mm hex drive interface facilitates quick maintenance and reduces downtime in production environments.

Specification Summary & Compliance

This socket head cap screw features precision M4 x 0.7 mm coarse thread with Class 6g thread fit tolerance for optimal engagement. Manufacturing complies with ASME B18.3, DIN 912, and ISO 4762 specifications ensuring dimensional accuracy and interchangeability. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions.