S-90042A128 M8 x 20 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 corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
- High-strength performance offering 100,000 psi tensile strength and Rockwell B85 hardness for demanding applications.
- Effective pressure sealing up to 1500 psi with an integrated silicone rubber O-ring, preventing leaks in critical systems.
- Broad temperature tolerance from -80° to 400°F, maintaining seal integrity under extreme thermal conditions.
- Precise Class 6g thread fit for easy assembly and secure fastening without cross-threading risks.
- Standard hex socket drive (6mm) allows for high-torque installation with common tools, reducing installation time.
- Full compliance with major international standards, ensuring interoperability and quality assurance.
Professional Applications & Engineering Value
This M8 socket head cap screw is engineered for industrial applications requiring reliable sealing under high pressure and variable temperatures. The 18-8 stainless steel material provides excellent corrosion resistance, ideal for machinery, automotive, and fluid systems exposed to moisture or chemicals. Its coarse thread (1.25mm pitch) and Class 6g thread fit facilitate quick installation and vibration resistance, while the integrated silicone rubber O-ring ensures a tight seal up to 1500 psi, preventing leaks in hydraulic, pneumatic, or plumbing setups. By meeting ASME B18.3, DIN 912, and ISO 4762 standards, it guarantees dimensional accuracy and performance consistency, reducing downtime and maintenance costs in professional engineering environments.
Specification Summary & Compliance
This screw features a metric M8 x 1.25mm coarse thread with Class 6g tolerance for precise fit, a 20mm length, and standard socket head profile. It conforms to ASME B18.3, DIN 912, and ISO 4762 manufacturing specifications, ensuring dimensional reliability. The product is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmental and safety regulations in global supply chains.
