S-98070A896 M4 x 8 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Buna-N rubber O-ring creates a reliable seal capable of withstanding pressures up to 6000 psi, preventing leaks in critical applications.
• Excellent Corrosion Resistance: Made from 18-8 Stainless Steel with a passivated finish for enhanced durability and long service life in harsh or wet environments.
• Optimized for Flush Mounting: The undercut flat head profile allows the screw to sit perfectly flush with the surface, providing a clean finish and preventing snagging.
• Wide Temperature Tolerance: The O-ring maintains its sealing integrity across a broad temperature range from -40° to 225° F, ensuring performance in varied operating conditions.
• High Tensile Strength: With a 70,000 psi tensile strength, this screw offers robust mechanical performance and reliability in demanding assemblies.
• Secure and Standardized Fit: Class 6g thread fit and compliance with DIN 965 ensure consistent, high-quality engagement and interchangeability.
• Efficient Installation: The Phillips No. 2 drive facilitates quick and easy installation with common tools, reducing assembly time.

Professional Applications & Engineering Value

This M4 flat head Phillips screw is engineered to solve critical sealing challenges in industrial and engineering contexts. The combination of 18-8 stainless steel and a passivated finish provides exceptional resistance to corrosion and oxidation, making it ideal for applications exposed to moisture, chemicals, or outdoor elements. The integrated Buna-N rubber O-ring is the key to its sealing capability, effectively containing fluids and gases under pressures up to 6000 psi. This makes it an invaluable component in hydraulic systems, pneumatic equipment, fluid handling assemblies, and electronic enclosures where preventing leaks is paramount. The undercut flat head design ensures a flush fit, which is crucial for aerodynamic surfaces, machinery with moving parts, and applications requiring a smooth finish. Its coarse metric thread and full threading provide excellent grip and holding power in a variety of materials, delivering reliable performance that engineers and procurement specialists can depend on for mission-critical fastening tasks.

Specification Summary & Compliance

This screw features an M4 x 0.7mm coarse metric thread with a Class 6g tolerance for precise fit. It is manufactured in accordance with the DIN 965 standard, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for use in various industrial markets.