S-98070A720 M4 x 16 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• Reliable high-pressure sealing up to 6000 psi with an integrated silicone rubber O-ring, preventing leaks in critical applications.
• Broad temperature tolerance from -80° to 400° F, maintaining seal integrity and performance across extreme thermal conditions.
• Precise thread engagement with Class 6g fit and coarse 0.7mm pitch, enabling quick assembly and secure fastening in various materials.
• Optimized flush mounting with an undercut flat head design, providing a smooth surface finish and reducing the risk of snagging.
• Efficient installation using a standard Phillips No. 2 drive, allowing for common tool compatibility and reduced assembly time.
• Compliance with stringent standards including DIN 965, ensuring dimensional accuracy and interchangeability for professional use.

Professional Applications & Engineering Value

This M4 flat head screw is engineered to address critical sealing and corrosion challenges in demanding industrial environments. Manufactured from 18-8 stainless steel with a passivated finish, it offers exceptional resistance to rust and chemical exposure, making it ideal for machinery, automotive assemblies, and outdoor equipment. The integrated silicone rubber O-ring provides a dependable seal against fluids and gases, capable of withstanding pressures up to 6000 psi, which is essential in hydraulic systems, pumps, and pressurized enclosures. Its metric coarse threading and Class 6g thread fit ensure easy installation and high clamping force, reducing the risk of cross-threading. The undercut flat head design allows for a countersunk fit, minimizing protrusion and enhancing safety in moving parts. Fully compliant with DIN 965 standards, this screw delivers consistent performance and reliability for engineers and procurement specialists seeking durable, sealing screw solutions.

Specification Summary & Compliance

This screw features a Class 6g thread fit with M4 x 0.7mm coarse pitch metric threading, ensuring precise dimensional accuracy per DIN 965 specifications. The flat head design includes a 90° countersink angle and undercut profile for optimal flush mounting. It is fully threaded for maximum grip and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards without hazardous substances.