S-90505A388 M3 x 16 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated silicone rubber O-ring provides a reliable seal against fluids and contaminants, ideal for demanding environments.
• Exceptional Corrosion Resistance: Made from 316 Stainless Steel, offering excellent durability in corrosive and marine applications.
• High-Pressure Reliability: Engineered to withstand maximum pressures up to 6000 psi, ensuring integrity in critical systems.
• Wide Temperature Tolerance: The silicone O-ring maintains sealing effectiveness across a broad range from -80° to 400° F.
• Precise Thread Fit: Class 6g thread fit ensures easy assembly and a secure, vibration-resistant connection.
• Optimized Head Design: The undercut flat head and 90° countersink allow for a flush, low-profile installation.
• Broad Compliance: Meets DIN 965 specifications and is compliant with RoHS 3 and REACH environmental regulations.

Professional Applications & Engineering Value

This M3 sealing screw is engineered to solve critical challenges in industrial applications where leakage prevention and environmental resistance are paramount. The combination of 316 stainless steel and a fully threaded metric coarse thread with a Class 6g fit ensures a tight, reliable seal that resists loosening under vibration. The integrated silicone rubber O-ring is key for creating a barrier in hydraulic systems, pneumatic equipment, and electronic enclosures exposed to moisture, dust, or chemicals. Its flat head with undercut design allows for a smooth, finished surface after installation, making it ideal for applications in automotive assemblies, marine hardware, and food processing machinery where hygiene and a clean aesthetic are required. This screw delivers dependable performance by addressing the core need for a fastener that combines mechanical strength with superior sealing capabilities.

Specification Summary & Compliance

This screw features precise M3 x 0.5 mm coarse threads with a Class 6g tolerance for accurate fit. It is manufactured to conform to the DIN 965 standard, ensuring dimensional consistency and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for hazardous substances.