S-90042A286 M8 x 12 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 to prevent leaks in high-pressure environments up to 1500 psi
- Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial conditions
- High strength and durability with 100,000 psi tensile strength and Rockwell B85 hardness for demanding mechanical applications
- Precision thread fit with Class 6g tolerance and coarse M8x1.25mm thread for secure fastening and vibration resistance
- Wide temperature compatibility from -40° to 225°F, maintaining seal integrity across diverse operating environments
- Standard hex drive compatibility with 6mm socket for easy installation and removal using common tools
- Full thread engagement along the 12mm length for maximum holding power and distribution of clamping force
Professional Applications & Engineering Value
This M8 metric socket head cap screw delivers critical sealing solutions for industrial equipment exposed to fluids, gases, and variable pressures. The 18-8 stainless steel body provides excellent corrosion resistance while the Buna-N rubber O-ring creates a reliable seal against leaks in hydraulic systems, pneumatic components, and machinery enclosures. Engineered with Class 6g thread precision and coarse thread pitch, it ensures rapid assembly and maintains clamp load under vibration, making it ideal for high-pressure applications in manufacturing, automotive, and processing industries where consistent sealing performance is essential.
Specification Summary & Compliance
Manufactured to Class 6g thread tolerance with M8x1.25mm coarse metric thread and fully threaded 12mm length. Complies with ASME B18.3, DIN 912, and ISO 4762 standards for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Suitable for maximum hole diameter of 9.041mm in sealing applications.
