S-98070A920 M3 x 5 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with a built-in Viton® fluoroelastomer O-ring, effectively preventing leaks in high-pressure environments up to 6000 psi.
• Excellent corrosion resistance due to the 18-8 stainless steel material and passivated finish, ensuring long-term durability in harsh conditions.
• Reliable thread engagement with Class 6g coarse metric threading, providing secure fastening and vibration resistance in industrial assemblies.
• Flush, low-profile installation thanks to the undercut flat head design, ideal for applications where a smooth surface is critical.
• Broad temperature compatibility from -20° to 400° F, maintaining seal integrity and mechanical performance across diverse operating environments.
• Efficient installation with a Phillips No. 1 drive, allowing for quick and straightforward assembly with standard tools.
• Full regulatory compliance with DIN 965 standards, RoHS 3, and REACH, ensuring safety and environmental responsibility in global markets.

Professional Applications & Engineering Value

This M3 x 0.5mm flat head screw is engineered to address critical sealing challenges in industrial and mechanical systems. The combination of 18-8 stainless steel and a passivated finish provides robust resistance to corrosion, making it suitable for humid or chemically aggressive environments. The integrated Viton® fluoroelastomer O-ring ensures a reliable seal against fluids and gases, capable of withstanding pressures up to 6000 psi and temperatures from -20° to 400°F. This makes it ideal for applications in hydraulic systems, pneumatic controls, automotive assemblies, and precision machinery where leak prevention is paramount. The undercut flat head and fully threaded design facilitate a secure, flush fit, reducing the risk of component interference and enhancing overall assembly integrity. By meeting DIN 965 specifications, this screw delivers consistent dimensional accuracy and performance, supporting efficient maintenance and reducing downtime in demanding industrial fastening scenarios.

Specification Summary & Compliance

This screw features a metric M3 x 0.5mm coarse thread with a Class 6g thread fit, ensuring precise dimensional tolerances for reliable engagement. It is manufactured in compliance with the DIN 965 standard, guaranteeing consistent quality and interchangeability. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations. Additional specifications include a 90° countersink angle, a maximum hole diameter of 3.454 mm, and a tensile strength of 70,000 psi, supporting its use in high-stress applications.