S-90841A340 M3 x 12 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 integrity with specialized venting (1mm diameter) to prevent outgassing and ensure reliable performance in high vacuum systems
- Exceptional corrosion resistance from 18-8 stainless steel construction, maintaining fastener integrity in harsh industrial environments
- High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications requiring reliable load-bearing capability
- Precise torque transmission through 2.5mm hex drive socket head design, preventing tool slippage and ensuring consistent installation
- Optimized thread engagement with Class 6g metric coarse threads (M3 x 0.5mm) providing secure fastening and vibration resistance
- Full thread coverage along the 12mm length for maximum grip and distribution of clamping forces
- Regulatory compliance assurance meeting DIN 912/ISO 4762 standards plus RoHS 3 and REACH environmental directives
Professional Applications & Engineering Value
Engineered specifically for high vacuum environments where outgassing can compromise system integrity, these M3 socket head cap screws feature a critical venting system that allows trapped air to escape during installation and operation. The 18-8 stainless steel composition delivers excellent corrosion resistance while maintaining the Rockwell B70 hardness necessary for repeated use in precision equipment. The fully threaded design with Class 6g thread fit ensures maximum engagement in thin materials and delicate assemblies common in semiconductor manufacturing, analytical instrumentation, and aerospace applications. The 2.5mm hex drive provides reliable torque transmission without the cam-out issues that can damage expensive components in sensitive vacuum chambers and cleanroom environments.
Specification Summary & Compliance
These socket head cap screws feature precision M3 x 0.5mm coarse threads with Class 6g tolerance according to ISO metric standards. Manufacturing conforms to DIN 912/ISO 4762 specifications, ensuring dimensional accuracy and interchangeability. The fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications with strict material restrictions.
