S-90042A311 M12 x 50 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws
Sealing Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Superior sealing performance with integrated Buna-N rubber O-ring, effectively preventing fluid and gas leaks in demanding applications
- Exceptional corrosion resistance provided by 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
- High tensile strength of 100,000 psi delivers reliable fastening under extreme mechanical loads and vibration
- Wide temperature tolerance from -40° to 225°F maintains sealing integrity across diverse operating conditions
- Precision Class 6g thread fit ensures smooth installation and consistent performance in metric assemblies
- 10mm hex drive socket head allows for high torque application and secure fastening in confined spaces
- Pressure resistance up to 1500 psi enables use in high-pressure hydraulic and pneumatic systems
Professional Applications & Engineering Value
This M12 socket head cap screw with Buna-N O-ring sealing addresses critical leakage challenges in industrial equipment. The 18-8 stainless steel construction provides excellent corrosion resistance for machinery exposed to moisture, chemicals, or outdoor elements. The partially threaded design offers optimal grip strength while the metric coarse thread (1.75mm pitch) ensures rapid installation in production environments. Engineering teams specify this fastener for high-pressure applications including hydraulic systems, pneumatic cylinders, and fluid processing equipment where reliable sealing is paramount. The combination of Rockwell B85 hardness and precise Class 6g thread tolerance guarantees consistent performance in automated assembly processes.
Specification Summary & Compliance
This metric socket head cap screw features M12 x 1.75mm coarse thread with Class 6g thread fit per ISO standards, ensuring precise dimensional accuracy. The fastener complies with ASME B18.3, DIN 912, and ISO 4762 manufacturing specifications for consistent quality and interchangeability. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, making it suitable for global industrial applications with strict regulatory requirements.
