S-98070A924 M3 x 12 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Viton® fluoroelastomer O-ring provides a reliable, long-lasting seal against fluids and gases, even under extreme pressure up to 6000 psi.
• Exceptional Corrosion Resistance: Made from 18-8 Stainless Steel with a passivated finish, offering excellent durability in harsh or corrosive industrial environments.
• High Tensile Strength: With a tensile strength of 70,000 psi, this screw ensures a secure and robust fastening in high-stress applications.
• Precision Thread Fit: Features a Class 6g thread fit for consistent, reliable engagement and ease of installation in metric assemblies.
• Wide Temperature Tolerance: The Viton® O-ring maintains sealing integrity across a broad temperature range from -20°F to 400°F, ideal for varied operational conditions.
• Optimized Head Design: The undercut flat head and 90° countersink angle allow for a flush, low-profile installation, reducing protrusion and improving aesthetics.
• Broad Regulatory Compliance: Meets DIN 965 specifications and is compliant with RoHS 3 and REACH regulations, ensuring environmental and safety standards are met.

Professional Applications & Engineering Value

This M3 flat head sealing screw is engineered to address critical challenges in industrial fluid and gas systems where leakage prevention is paramount. The combination of 18-8 stainless steel and a passivated finish provides outstanding corrosion resistance, making it suitable for use in chemical processing, marine, and outdoor equipment. The Viton® fluoroelastomer O-ring ensures a tight seal under pressures up to 6000 psi, effectively preventing leaks in hydraulic systems, pneumatic controls, and high-pressure vessels. Its undercut flat head design allows for a smooth, flush fit, minimizing snagging and enhancing safety in machinery. Fully compliant with DIN 965 standards, this screw offers reliable performance in metric assemblies, reducing downtime and maintenance costs in demanding applications such as automotive, aerospace, and industrial machinery.

Specification Summary & Compliance

This screw features an M3 x 0.5 mm coarse thread with a Class 6g thread fit for precise dimensional accuracy and easy assembly. It is manufactured in accordance with DIN 965 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and health safety standards. The fully threaded design and passivated surface treatment further enhance its durability and performance in industrial settings.