S-90042A486 M8 x 12 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing reliability with Viton® fluoroelastomer O-rings that prevent leaks in demanding applications
• Exceptional temperature resistance from -20° to 400° F, ensuring performance stability in extreme environments
• High-pressure capability up to 1500 psi, providing secure fastening in pressurized systems
• Robust corrosion resistance from 18-8 stainless steel construction, extending service life in harsh conditions
• Precise thread engagement with Class 6g metric coarse threads, delivering reliable installation and vibration resistance
• High tensile strength of 100,000 psi with Rockwell B85 hardness, ensuring durability under heavy loads
• Standard hex drive compatibility with 6mm socket, enabling easy installation and removal with common tools

Professional Applications & Engineering Value

This M8 socket head cap screw with Viton® fluoroelastomer sealing addresses critical engineering challenges in industrial applications where fluid containment and environmental resistance are paramount. The combination of 18-8 stainless steel construction and precision metric coarse threads (M8 x 1.25mm) ensures reliable performance in machinery, hydraulic systems, and processing equipment exposed to corrosive media and temperature fluctuations. The integrated O-ring sealing feature provides leak-proof performance in high-pressure applications up to 1500 psi, making it ideal for pumps, valves, and compressed air systems where failure prevention is critical. The fully threaded design with Class 6g tolerance guarantees consistent clamping force distribution, while the standard hex socket drive facilitates efficient assembly in confined spaces common in industrial maintenance and manufacturing environments.

Specification Summary & Compliance

This metric socket head cap screw features M8 x 1.25mm coarse threads with Class 6g thread fit tolerance for precise engagement. Manufactured to meet ASME B18.3, DIN 912, and ISO 4762 standards, ensuring dimensional accuracy and interchangeability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. With a maximum hole diameter compatibility of 9.041 mm and fully threaded 12mm length, it provides consistent performance across industrial applications requiring standardized metric fastening solutions.