S-90042A237 M3 x 16 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, preventing leaks in demanding applications
• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
• High tensile strength of 100,000 psi provides reliable fastening under extreme mechanical loads
• Wide temperature tolerance from -40° to 225° F (-40° to 107° C) maintains performance across diverse operating conditions
• Precision Class 6g thread fit ensures smooth installation and consistent engagement with mating components
• Standard hex drive compatibility with 2.5 mm key allows for easy installation and removal in confined spaces
• Pressure resistance up to 1500 psi delivers reliable performance in high-pressure hydraulic and pneumatic systems

Professional Applications & Engineering Value

This M3 metric socket head cap screw with integrated Buna-N rubber O-ring addresses critical sealing challenges in industrial equipment and machinery. The 18-8 stainless steel construction provides excellent corrosion resistance for applications exposed to moisture, chemicals, and outdoor elements, while the fully threaded design with Class 6g thread fit ensures uniform load distribution and vibration resistance. Engineers specify this sealing screw for hydraulic systems, pneumatic components, and industrial enclosures where pressure integrity is paramount. The combination of high tensile strength and temperature stability makes it ideal for automotive, manufacturing, and processing equipment that requires reliable fastening under demanding operating conditions.

Specification Summary & Compliance

This socket head cap screw features M3 x 0.5 mm coarse thread with Class 6g thread tolerance and 16 mm length. Manufactured to 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, making it suitable for global industrial applications requiring strict material compliance.