S-98070A928 M4 x 12 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Viton® fluoroelastomer O-ring for reliable leak prevention in high-pressure applications up to 6000 psi
• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated surface treatment for extended service life in harsh environments
• Precision thread engagement with Class 6g fit and coarse pitch threading ensuring consistent fastening and vibration resistance
• Optimized head design featuring undercut flat head profile for flush mounting and enhanced countersinking capability
• Broad temperature compatibility with O-ring rated for -20° to 400° F, maintaining sealing integrity across diverse operating conditions
• Industry-standard compliance meeting DIN 965 specifications for reliable interchangeability and quality assurance
• Enhanced drive stability with Phillips No. 2 drive providing secure torque transmission during installation

Professional Applications & Engineering Value

These M4 flat head screws deliver critical sealing solutions for demanding industrial applications where fluid containment and pressure management are paramount. The combination of 18-8 stainless steel material and passivated finish provides superior corrosion resistance in chemical processing, marine, and food processing equipment. The integrated Viton® fluoroelastomer O-ring maintains sealing integrity across extreme temperature fluctuations from -20° to 400° F, making these metric Phillips screws ideal for hydraulic systems, pneumatic controls, and refrigeration units. The undercut flat head design ensures flush mounting while the Class 6g thread precision guarantees reliable fastening in high-vibration environments, effectively solving common leakage and corrosion challenges in critical sealing applications.

Specification Summary & Compliance

Manufactured to DIN 965 standards with Class 6g thread tolerance ensuring precise metric threading compatibility. Features M4 x 0.7mm coarse thread configuration with 12mm length and fully threaded design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. The passivated finish on 18-8 stainless steel provides enhanced corrosion protection while maintaining material integrity. Suitable for maximum hole diameter of 4.546 mm with 90° countersink angle for proper installation.