S-98070A172 10-32 x 1/2" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Reliable High-Pressure Sealing: Integrated Buna-N rubber O-ring maintains integrity from -40° to 225°F, preventing leaks under pressures up to 1500 psi
• Superior Corrosion Resistance: 18-8 stainless steel construction with passivated finish ensures long-term durability in harsh industrial environments
• Precision Thread Engagement: Class 2A UNF fine threads provide consistent, reliable fastening with superior vibration resistance
• Optimized Flush Mounting: Undercut flat head design with 100° countersink angle ensures smooth surface finish and improved load distribution
• Secure Drive System: No. 2 Phillips drive offers positive torque transmission and reduces cam-out during installation
• Full Thread Coverage: Completely threaded shank maximizes engagement strength and sealing surface contact
• Regulatory Compliance Ready: Meets RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver critical sealing performance for industrial equipment requiring pressure containment up to 1500 psi. The combination of 18-8 stainless steel with passivated finish provides exceptional corrosion resistance in demanding environments, while the Buna-N rubber O-ring maintains seal integrity across extreme temperature fluctuations (-40° to 225°F). The undercut flat head profile ensures proper countersink seating, preventing fluid entrapment and allowing for smooth surface finishes. Ideal for hydraulic systems, pneumatic equipment, and industrial machinery where reliable sealing and corrosion resistance are paramount, these Phillips drive screws offer consistent performance in maintenance-critical applications.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit for consistent engagement and UNF fine threading for superior holding power. The fully threaded design ensures maximum fastening strength, while the 0.204" maximum hole diameter provides proper clearance for installation. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety standards for industrial components.