S-98070A770 M5 x 20 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with silicone rubber O-rings that maintain integrity across extreme temperatures from -80° to 400°F and pressures up to 6000 psi
• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated surface treatment for long-term reliability in harsh environments
• Precise thread engagement with Class 6g metric threading ensuring secure fastening and vibration resistance in industrial applications
• Optimized head design featuring undercut flat head profile and 90° countersink angle for flush mounting and improved sealing surface contact
• Enhanced drive stability with Phillips No. 2 drive providing reliable torque transmission during installation
• Regulatory compliance assurance meeting DIN 965 standards and RoHS/REACH environmental directives for global industrial use
• Full threading capability enabling maximum grip length and uniform pressure distribution along the entire 20mm shaft

Professional Applications & Engineering Value

These M5 flat head screws with integrated silicone O-rings provide critical sealing solutions for industrial equipment exposed to fluids, gases, and extreme environmental conditions. The 18-8 stainless steel construction combined with passivated finish delivers outstanding corrosion resistance, while the Class 6g thread fit ensures precise engagement in metric applications. The undercut flat head design creates superior sealing surface contact when countersunk, preventing leakage in high-pressure systems up to 6000 psi. Ideal for hydraulic systems, pneumatic equipment, and industrial machinery where reliable sealing capability and chemical resistance are paramount. The fully threaded configuration provides consistent clamping force across the entire fastener length, making these metric screws essential components in manufacturing, automotive, and processing industries.

Specification Summary & Compliance

Manufactured to DIN 965 standards with Class 6g thread tolerance for precise metric fastening applications. Features M5 x 0.8mm coarse threading, 20mm length, and 90° countersink angle. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The passivated finish on 18-8 stainless steel provides enhanced corrosion protection while maintaining the material's mechanical properties, including 70,000 psi tensile strength.