S-98070A680 M4 x 8 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated silicone O-ring provides reliable sealing from -80° to 400°F, preventing leaks in demanding environments.
• High-Pressure Resistance: Withstands up to 6000 psi maximum pressure, ensuring integrity in critical industrial applications.
• Exceptional Corrosion Resistance: Made from 18-8 stainless steel with passivated finish for enhanced durability in harsh conditions.
• Precision Thread Fit: Class 6g metric coarse threads ensure secure, vibration-resistant fastening in M4 holes up to 4.546 mm.
• Optimized Head Design: Undercut flat head with 90° countersink allows for flush mounting and improved aesthetic finish.
• Efficient Installation: Phillips No. 2 drive enables quick, tool-compatible assembly while reducing cam-out risks.
• Full Regulatory Compliance: Meets DIN 965 standards and environmental regulations including RoHS 3 and REACH for global acceptance.

Professional Applications & Engineering Value

These M4 flat head screws deliver critical sealing solutions where pressure integrity and environmental resistance are paramount. The combination of 18-8 stainless steel construction and passivated finish provides exceptional corrosion resistance for applications in chemical processing, marine equipment, and food machinery. The silicone O-ring maintains elasticity across extreme temperatures (-80° to 400°F), preventing fluid or gas leakage in hydraulic systems, pneumatic controls, and refrigeration units. The undercut flat head design ensures proper seating in 90° countersunk holes while the Class 6g thread fit guarantees precise engagement in metric assemblies. These DIN 965 compliant screws are engineered to solve sealing challenges in high-pressure environments up to 6000 psi, making them ideal for OEM equipment manufacturing and maintenance operations requiring reliable, long-lasting fastening solutions.

Specification Summary & Compliance

This metric screw features M4 x 0.7mm coarse right-hand threads with Class 6g tolerance ensuring precise fitment. Manufacturing complies with DIN 965 standards for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety requirements for industrial components. The 8mm length and fully threaded design provide consistent engagement while maintaining the specified sealing capabilities.