S-98070A921 M3 x 6 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Viton® fluoroelastomer O-ring creates a reliable seal capable of withstanding extreme pressures up to 6000 psi and temperatures from -20° to 400° F, preventing leaks in critical applications.
• Excellent Corrosion Resistance: Made from 18-8 Stainless Steel with a passivated finish, offering enhanced durability and long-term performance in harsh or corrosive environments.
• Precise Thread Engagement: Features a Class 6g thread fit and coarse M3 x 0.5mm metric threading, ensuring easy installation, secure fastening, and vibration resistance.
• Flush and Secure Installation: The undercut flat head design with a 90° countersink angle allows the screw to sit flush with the surface, providing a smooth finish and improved aesthetics.
• Convenient and Efficient Drive: Equipped with a Phillips No. 1 drive, enabling quick and straightforward installation with standard tools, reducing assembly time.
• High Tensile Strength: Boasts a 70,000 psi tensile strength, ensuring the screw can handle significant mechanical loads without failure.
• Regulatory Compliance and Reliability: Compliant with DIN 965, RoHS 3, and REACH standards, guaranteeing product safety, environmental responsibility, and suitability for regulated industries.

Professional Applications & Engineering Value

This M3 flat head sealing screw is engineered to address critical challenges in industrial and engineering applications where fluid or gas containment is paramount. The combination of 18-8 stainless steel and a passivated finish provides exceptional corrosion resistance, making it ideal for use in moist, chemical, or outdoor environments. The integrated Viton® fluoroelastomer O-ring ensures a tight seal under high-pressure conditions (up to 6000 psi) and across a wide temperature range (-20° to 400° F), preventing leaks in hydraulic systems, pneumatic equipment, and automotive assemblies. The undercut flat head design allows for a flush mount, reducing protrusion and minimizing the risk of snagging, while the Phillips drive and Class 6g metric coarse thread facilitate quick, secure installation. These features make it a reliable choice for industrial fasteners in machinery, electronics, and fluid handling systems, enhancing operational safety and longevity.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 6g thread fit and M3 x 0.5mm coarse metric threading, ensuring compatibility and performance. It meets DIN 965 specifications for flat head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-focused industrial applications.