S-90505A426 M2 x 4 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extending service life.
• Reliable fluid and gas sealing provided by the integrated Buna-N rubber O-ring, preventing leaks under pressures up to 6000 psi.
• High tensile strength of 70,000 psi ensures dependable fastening integrity in demanding mechanical assemblies.
• Precise metric threading (M2 x 0.4 mm, Class 6g) guarantees consistent fit and ease of installation in standardized holes.
• Wide temperature compatibility from -40° to 225° F with the Buna-N O-ring, maintaining performance across varied operating conditions.
• Undercut flat head design allows for a flush finish, reducing protrusion and improving aesthetics and safety in tight spaces.
• Compliance with DIN 965, RoHS 3, and REACH ensures adherence to international quality, safety, and environmental standards.

Professional Applications & Engineering Value

This M2 flat head screw is engineered to address critical challenges in precision assemblies where corrosion resistance and fluid sealing are paramount. The 316 stainless steel material combats degradation from moisture, chemicals, and saline atmospheres, making it ideal for marine, chemical processing, and outdoor equipment. Its integrated Buna-N rubber O-ring creates a robust seal against liquids and gases, preventing leaks in pressurized systems up to 6000 psi, which is essential in hydraulic components, pneumatic devices, and automotive applications. The Phillips No. 1 drive and fully threaded design facilitate quick, secure installation, while the undercut flat head ensures a smooth surface finish, minimizing snagging and enhancing assembly reliability. By meeting DIN 965 specifications, this screw delivers consistent dimensional accuracy and performance for engineers requiring dependable metric fasteners in high-stakes environments.

Specification Summary & Compliance

This screw features precise M2 x 0.4 mm coarse thread with a Class 6g tolerance for accurate fit, manufactured in accordance with DIN 965 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and meets environmental safety requirements for industrial use.