S-90841A270 M4 x 8 mm DIN 912, ISO 4762 High-Vacuum Cleaned-and-Bagged Vented Socket Head Screws
High-Vacuum Cleaned-and-Bagged Vented Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior vacuum compatibility with vented design to prevent outgassing and maintain system integrity in high-vacuum environments
- Excellent corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial conditions
- High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for dependable performance under heavy loads
- Precise thread engagement with Class 6g fit and coarse 0.7mm pitch for quick assembly and secure fastening
- Optimized drive performance featuring standard hex socket and 3mm drive size for maximum torque transfer and strip-resistant installation
- Full regulatory compliance meeting DIN 912/ISO 4762 standards plus RoHS 3 and REACH environmental regulations
- Complete thread coverage with fully threaded M4 design providing consistent clamping force along the entire 8mm length
Professional Applications & Engineering Value
Engineered for high-vacuum applications where outgassing can compromise system performance, these M4 socket head cap screws feature a specialized vented design that allows trapped air to escape during installation and operation. The 18-8 stainless steel construction provides exceptional corrosion resistance while maintaining the 70,000 psi tensile strength required for critical fastening in precision equipment, semiconductor manufacturing, and analytical instrumentation. The Class 6g thread fit ensures consistent engagement in tapped holes, while the hex drive style delivers reliable torque transmission without cam-out. These metric socket head screws solve common industry challenges including contamination control, thermal cycling performance, and long-term reliability in demanding environments where fastener failure is not an option.
Specification Summary & Compliance
This fully threaded M4 x 0.7mm x 8mm socket head cap screw maintains Class 6g thread tolerance according to metric standards with right-hand thread direction. Manufacturing conforms to DIN 912/ISO 4762 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications.
