S-98070A174 10-32 x 3/4" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Buna-N O-ring that withstands pressures up to 1500 psi and temperatures from -40° to 225° F
• Enhanced corrosion resistance through 18-8 stainless steel construction and passivated finish for long-term reliability in harsh environments
• Precise thread engagement with UNF fine threads and Class 2A fit ensuring secure fastening and vibration resistance
• Optimized flush mounting featuring undercut flat head design that sits perfectly flush with surfaces while maintaining sealing integrity
• Efficient installation with Phillips No. 2 drive providing reliable torque transfer and reduced cam-out risk
• Full thread coverage across the entire 3/4" length for maximum holding power and uniform stress distribution
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use across various industrial applications

Professional Applications & Engineering Value

These 10-32 UNF flat head screws with integrated Buna-N rubber O-rings solve critical sealing challenges in industrial equipment and machinery. The combination of 18-8 stainless steel material and passivated finish provides exceptional corrosion resistance for demanding environments like chemical processing, marine applications, and outdoor equipment. The undercut flat head profile ensures proper seating while maintaining the O-ring's sealing capability, preventing fluid and gas leaks up to 1500 psi. With UNF fine threads and Class 2A thread fit, these screws deliver precise engagement in tapped holes, making them ideal for precision assemblies in automotive, aerospace, and hydraulic systems where reliable sealing and vibration resistance are paramount.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNF thread form ensuring consistent performance. The screws feature a 100° countersink angle and are fully threaded along the 3/4" length. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material restrictions adherence. The passivated finish on 18-8 stainless steel provides enhanced surface protection while maintaining the material's inherent corrosion resistance properties.