S-98070A901 M5 x 8 mm DIN 965 Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Buna-N rubber O-ring, rated for -40° to 225° F temperature range and up to 6000 psi pressure, preventing fluid and gas leaks in demanding applications
• Excellent corrosion resistance from 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh industrial environments
• Precise thread engagement with Class 6g fit and coarse M5 x 0.8mm threading, providing secure fastening and vibration resistance in metric assemblies
• Flush mounting capability with undercut flat head design and 90° countersink angle, enabling smooth surface finishes and reduced protrusion risks
• Industry-standard compliance meeting DIN 965 specifications for dimensional accuracy, along with RoHS 3 and REACH environmental regulations
• High tensile strength of 70,000 psi, delivering reliable mechanical performance in high-stress applications
• Easy installation with Phillips No. 2 drive, allowing efficient assembly while maintaining consistent torque application

Professional Applications & Engineering Value

These M5 flat head screws with integrated Buna-N rubber O-rings solve critical sealing challenges in industrial equipment, hydraulic systems, and precision machinery. The 18-8 stainless steel material combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, while the fully threaded design with Class 6g metric threading ensures reliable engagement in tapped holes. The undercut flat head profile allows for flush mounting in confined spaces, making these sealing screws ideal for applications requiring both secure fastening and pressure containment up to 6000 psi. Engineered to DIN 965 standards, these fasteners deliver consistent performance in automotive, manufacturing, and fluid handling systems where leak prevention is paramount.

Specification Summary & Compliance

This metric screw features M5 x 0.8mm coarse threading with Class 6g thread fit according to ISO metric standards, ensuring precise dimensional accuracy. Manufacturing complies with DIN 965 specifications for flat head screw geometry, including 90° countersink angle and undercut head profile. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety and restricted substances.