S-93627A321 M2.5 x 5 mm DIN 7985 Sealing Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated silicone rubber O-ring, effectively preventing leaks in high-pressure applications up to 6000 psi
• Excellent corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
• Optimized thread design with Class 6g fit and coarse 0.45mm pitch for faster installation and secure fastening in various materials
• Enhanced drive engagement with Phillips No. 1 drive style, providing reliable torque transfer and reducing cam-out during installation
• Wide temperature compatibility with silicone rubber O-ring rated from -80° to 400° F, maintaining sealing integrity across extreme thermal conditions
• Full thread engagement along the entire 5mm length, ensuring maximum holding power and uniform stress distribution
• Industry-standard compliance meeting DIN 7985 specifications for consistent quality and dimensional accuracy

Professional Applications & Engineering Value

These M2.5 metric screws with silicone rubber O-rings deliver exceptional sealing capability in demanding industrial environments where fluid containment is critical. The 18-8 stainless steel construction combined with passivated finish provides superior resistance to corrosion, oxidation, and chemical exposure, making them ideal for high-pressure applications in hydraulic systems, pneumatic equipment, and fluid handling assemblies. The rounded pan head design with Phillips drive ensures flush mounting and reliable installation in confined spaces, while the coarse thread pitch and Class 6g thread fit enable quick assembly without compromising joint integrity. These fully threaded fasteners maintain consistent sealing performance even under vibration and thermal cycling conditions.

Specification Summary & Compliance

This M2.5 x 0.45mm x 5mm sealing screw features Class 6g thread tolerance with right-hand coarse threading and is manufactured to DIN 7985 standards for dimensional precision. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications. With a maximum hole diameter compatibility of 2.95mm and tensile strength of 70,000 psi, these screws meet rigorous industrial requirements for pressure sealing and mechanical performance.